เอ็นซีไอเอส: หน่วยสืบสวนคดีเดือด

While on Air Force One, a Navy commanding officer dies. Agents from the Navy NCIS decide to take the investigation into their own hands and also force a Secret Service Agent to help. Now the NCIS team has to figure out if the Navy officer's death was of natural causes or not.

During a training exercise, a Marine's parachute fails to open and he crashes into a parked car. The NCIS team head to the scene and have to determine if the Marine's death was accidental or a murder.

When a Navy commander's body washes up on shore along with the bodies of two drug runners, Gibbs refuses to believe that the sailor who was killed was dirty.

The NCIS team investigate when a seaman's body is found at the bottom of the sea in his dress whites, with a ceremonial sword. They discover that he was addicted to an MMORPG. Now, the team must figure out how involved he was in the game and how far he would go to get revenge on his arch enemy, another sailor.

A Navy Lieutenant who was reported missing nearly ten years ago has been found by a deer hunter. When the NCIS team arrive at the scene to investigate, they see that his remains have been mummified.

An NCIS agent who used to work under Gibbs asks for the team's help investigating a case where sailors on an aircraft carrier are dying of a drug overdose, but have no history of any kind of drug abuse.

A decomposed body is discovered in a tub of acid at a Naval base and Ducky and Abby learn that the victim was a submariner. However, there have been no reports of a sub crewmember missing.

The NCIS team head to Cuba to investigate a Navy translator's connection to smuggling at a detention center after he suddenly dies at the wheel of his car when returning to the U.S. from Guantanamo Bay.

After a Marine widow receives a call from her dead husband, the NCIS team take on the case and have to exhume the body to deduce whether the call was a prank or not.

After being buried alive, a woman comes out of the grave with amnesia and the only thing she remembers is that there is a bomb aboard a Navy ship. While trying to help Jane Doe recover her identity, the team find out that not everything is what it first seemed.

When a Navy commander, who was a technical advisor to a civilian contractor for a Navy weapon, is found dead on the beach, the NCIS team investigate the murder using satellite technology.

The NCIS team are called in when a severed leg bearing a Marine tattoo is found in a trash bin, leading them to a small town where a murder scheme is afoot.

The team investigate when a Marine recruitment officer is found shot to death by a sniper with a grudge, who leaves a white feather behind.

A Navy dentist stops near a parked car to help a stranded motorist who pulls out a gun. The team investigate a murder with the help from a local sheriff, Charley, when they find out about the similar murder of the Navy civilian employee.

Gibbs risks his career when his former commanding officer is accused of stealing funds.

A terrorist holds Ducky, Gerald, and Kate hostage while NCIS investigate how exactly the terror organization member got a job at a Navy base.

When the body of a sailor is found after a party in an illegal night club, the team investigate a number of possible leads - including blackmail and accidental death.

The team are looking for an ex-SEAL who escaped from prison in search of revenge. He is determined to find the real murderer of his wife.

An NCIS agent has been murdered while investigating a case and the team's job is to find out what happened.

A Marine goes missing after a date with a reporter. During the investigation, the team discover that three former members of his unit are dead and suspect the unit commander to be a serial killer.

When a body of a murdered Marine is found in the forest, the investigation leads to the local militia and a weapon deal gone wrong.

Gibbs' team investigate the death of a SEAL during a training exercise, and come to suspect that it wasn't an accident, but a murder.

The terrorist from Bête Noire returns with a plan to attack the President. Gibbs and his team follow the clues to reveal his identity and find Kate who is kidnapped.

The wife and nine-year-old blind daughter of a Navy captain are kidnapped and the captain is a hostage in his own office, communicating with the kidnapper, who watches his every step via computer camera.

A mummified remains of a woman are found in an abandoned compound. The team discover that the woman was missing for several months, was wearing a wedding dress when she died, and might have been a victim of a serial killer.

The NCIS team are called in to investigate when a perfectly functioning Marine helicopter is found in the middle of a crop circle.

A body of a woman in a Navy uniform is found by two sailors. Ducky links the murder to an unsolved case from ten years ago, and the team searches for a serial killer who left a note promising to return.

NCIS discover that an area in a Marine's bombing range is where mafia has been dumping bodies for a while. One of the victims is an undercover FBI agent. The team set out to find a mole.

The team must protect an Iraq veteran due to the threats made by terrorists. While trying to convince FBI Agent Lina Reyes to help them, the team are convinced that they have discovered the bomber.

Ernie Yost, an elder Marine veteran confesses to murdering his best friend almost 60 years ago in a war battle. The NCIS's job is to solve the secrets and save Ernie from prison.

A strange case for Gibbs and his team opens when a Navy Commander dies after successful surgery. While researching the commander's past, the team find out that he collected a lot of enemies lately.

Laura Rowen, a Marine's wife, shoots an intruder in self defense when he is about to rape her. The team take on the case and find out that the wife is leading a double life while her husband is serving overseas.

Tony disappears while doing an undercover operation as an escaped prisoner who is forced to stick to a convict that owns a key to an expensive ancient Iraqi sculpture. The GPS locator that Abby planted on Tony stops working and the team are forced to find Tony before he gets murdered by the thief.

A dead body of a two-year-missing Navy officer appears on the bottom of a lake. The team investigate the case with a help of a private detective.

The team take on another strange case when a telemarketer reports a possible murder of a Petty Officer who appeared to be dying over the phone.

A "meat puzzle" starts when Ducky identifies the pieces of three bodies that were stuffed inside a barrel a few months ago. They turn out to be bodies of a judge, prosecutor, and jury foreman that worked with Ducky on a rape case ten years ago.

Erin Kendall claims to have seen a murder of a sailor in an apartment across from hers. Gibbs assigns the case to McGee who believes that he can resolve it himself. However, due to the lack of physical evidence, McGee turns to the team to help him.

The team take on a case of a dead Marine who recorded his death while falling off a cliff. The prime suspects are his wife and his best friend with whom he had a picnic in the camp. Gibbs finds out they had an affair behind the dead man's back.

NCIS start an investigation after Petty Officer Manda King is found dead in a bartender's bed. The suspect is the owner of a competing club where Manda's sister sings.

When a sailor officer receives a pair of blue eyeballs, the NCIS team start investigating the case. Gibbs traces an ex-Navy agent that does illegal work.

A Petty Officer that just returned to her job is found dead in the backstage of a bikini contest. The team find out that she possibly had a stalker behind her back.

The team investigate a suicide case, believing that the main reason of her death is a nervous breakdown, but Ducky believes that she was actually murdered. FBI Special Agent Fornell helps them in the investigation. The team discover that the dead woman was involved in a love triangle and that this may have contributed to her death.

After a Marine is murdered in a school campus the team discover a possible suspect for his murder, but they soon find the suspect murdered. Tim and Abby discover a trace to a "Red Cell" in the e-mails and the team believe that maybe the Marine was involved in a serious game.

A young Marine is killed in Iraq, but he was investigated by police for a murder on a young girl in his hometown. While going through his personal belongings, they find the body of that girl. The local police believe that the corpsman murdered the girl, but Gibbs believes that he is innocent and he will try to prove it with a help of Faith Coleman.

When Tony opens a mysterious letter thinking it's for him, a small puff of white powder comes out and releases a possible deadly virus. Soon Kate and Tony are isolated in a bio-hazard isolation room for precaution. McGee and Gibbs work to discover who sent the envelope and how to cure their friends before it's too late for them.

A group of serial terrorists seek revenge and send Ari on an assignment to kill Gibbs. The NCIS team go on a hunt after him, but when they discover that Ari has a bigger plan, it is already too late.

After the terrorist's attack, the NCIS team are shocked and are trying to cope with Kate's sudden death, each in their own way. Now, their mission is to collect all the possible info on Ari and find a way to stop him before he does any more damage.

Still stressed over Kate's death, Gibbs is even more hurt when Ari kidnaps Ducky and decides to play with his mind. Gibbs sends Tony to follow Ziva, and after Jenny and Gibbs are almost shot to death, he is even more determined to finish once and for all with Ari, and Ziva's strange connection to Ari will be just the help that he needs.

Gibbs is ordered to talk to a convict that is about to be executed, in order to discover information about the place where he hid his victims, but when the plan doesn't work, the team must solve the case in their own way.

When a corpse of a man is found inside a tomb that comes from the Civil War, the team discover that the victim, a Sergeant, was buried alive. During the investigation, Abby tracks down the last phone call of the victim.

When an officer is shot to death on the freeway, the NCIS team take on the investigation. The first lead, a fact that the victim was leading a double life, take them to a possible solution of the crime, but the tables are turned when the victim's dying message is discovered and it leads them to a totally different clue.

The NCIS team take up a strange case - a Marine's wife was murdered live on the Internet. The investigation reveals that two housewives were running a live Internet sex site and now they are both missing. While looking for them, the team will try to track down the webmaster and solve the alleged murder case.

When a six-year-old boy informs the NCIS team that his father was kidnapped, the team discover that the missing father is actually a Lt. Commander working on a secret project named Honor, and that he is the only one who has the code that can open the project.

When bodies of two hired assassins are delivered to the NCIS team, Ziva and Tony go undercover assuming the victim's identities in order to find the person who hired the assassins for their mission. Gibbs discovers that his team are not the only ones working on the case.

Tony is accused of murdering a woman whose body was found at Quantico and the team must prove his innocence.

While on duty, McGee kills a man who is later discovered to be an undercover police officer. When Jen decides to approve the investigation on McGee, the NCIS team are forced to prove that McGee is not guilty, pushing Gibbs' relationship with Jen to the limit.

A supermodel dies while filming a reality show on a Marine base, and the NCIS team must discover who is the model's murderer. They discover a love triangle between the model and three other men, all suspects.

While looking for smuggled weapons at a shipyard, Tony and Ziva disappear and it's up to NCIS to find them. Abby tries to find them by tracking down their GPS chips, but they seem to be out of reach.

When a Lt. Commander in charge of a shipment of fuel rods for nuclear power stations disappears, the NCIS team are called in. The team must solve the case in time, before the person who kidnapped the Commander finds out the secret location of the fuel rods or harms the Commander.

The NCIS team investigate the murder of two Marine wives, and must find the murderers before they attack their next target, another woman.

While discovering an illegal automotive chop shop, the NCIS team stumble upon a severed head of a Marine, hidden in one of the cars from the shop. When they find possible suspects, the team will have to find the rest of the body and find the murderer.

When an ambulance explodes while carrying the remains of a Marine's body that was killed in a car crash, the NCIS team are called in to investigate what actually happened. The investigation leads them to some sudden discoveries - the DNA of the victim found in the ambulance doesn't match the Marine's DNA, the ambulance was set up to explode, and the family of the dead Marine is hiding a very important secret.

When Marine dog tags are found in a national forest by a group of teens, the NCIS team are called in to investigate. While searching for the campsite of the Marine, the team find out that there was another person, possibly a woman, with him. The investigation takes them to an even more higher discovery - there could be a serial killer killing women in the national forest.

The NCIS team must stop a teenage student from detonating a bomb attached to his body, while he's taking the other students hostage at a Quantico base high school. Gibbs tries to stop him when he enters the classroom, only to realize that there may be someone else controlling the teenage student from the outside.

Gibbs and the team are called in when a couple of kids stumble upon the body of a missing Marine in a frozen lake. As the NCIS team search the frozen lake bed for clues, they come across three more bullet-ridden bodies.

When a Pentagon cryptographer is found dead, the NCIS team have to discover whether she was or wasn't a Pentagon mole, and if she committed suicide. As the investigation continues, the team discover that the cryptographer wasn't alone when she died.

While working on a regular murder case with the rest of the NCIS team, Abby is almost killed by evidence from the case. Soon it becomes clear that the murder was staged, and that someone wants Abby dead. The team discover some enemies from Abby's past, and they must find out who is the person, before they kill Abby.

The NCIS team must protect Ziva when a suspect dies in custody, and her tactic might be the reason why the person died. Things become much more dangerous when the suspect's brother kidnapps Jenny, and demands the release of his brother in exchange for Jenny, but he has no idea that his brother is dead.

While working on an assignment, Gibbs is seriously injured in an explosion, and taken to a hospital, where he recalls his painful past, which he has always hidden from others. The rest of the team must proceed with the investigation and put their feelings towards Gibbs' injury aside.

The NCIS team must work on an assignment against a terrorist group without Gibbs, who is still recovering from the explosion. Gibbs has to fight with memory loss, while he's visited by his mentor and his former boss. Gibbs' help is needed, especially when the team discover that he is the only person who has information about the terrorists' plans.

When Ziva is framed for a political assassination, she must avoid the FBI and deal with the consequences without Gibbs' help, who is now enjoying his retirement.

Gibbs is forced to come back out of his retirement to help Fornell, who is being threatened by a convict that escaped from prison. Gibbs and the NCIS team re-open the convict's old robbery case.

An abandoned car, registered to a missing Navy Lieutenant, is found with blood stains inside. The NCIS team learn that the missing Lieutenant was profiling men, trying to find a perfect man for herself.

After police pull over a driver and arrest him for a concealed weapon, a car crashes into their patrol car with a dead man behind the wheel. The arrested man turns out to be Russian and Homeland Security claim he was working for them.

When a missing Lance Corporal is found dead in a vacant house, the NCIS team discover that he was buried in the backyard and then exhumed. They learn about his identity and that he was to be deployed to Iraq, but he never showed up for duty.

It's Halloween and the NCIS team are busy investigating a ransom case. A Marine's daughter has been kidnapped after the Marine was attacked in his home. The investigation leads them to a fact that the couple has been separated.

When a Marine Colonel dies in an explosion at a military golf course, the NCIS team must investigate a suspected terrorist attack with the help from the Army Criminal Investigative Division.

When an honored Marine veteran is found dead in a hotel, the NCIS team must find out what happened to him. Soon they realize that the Marine didn't commit suicide and that he was a homeless man.

McGee breaks the rules, risking his NCIS job, to help his sister Sarah, who shows up disoriented and bloodied. While he works on figuring out what happened to his sister, the NCIS team are investigating a case of a Navy sailor, who is somehow connected to Sarah.

When a burnt and mummified body of a missing and wanted person is found in a furnace on a Marine base, NCIS must work with the FBI. The burnt man turns out to be a serial killer.

When a robotic vehicle named "Otto," a part of a high-level project of the Department of Defense, causes a death of a Navy Lieutenant, and later almost kills Abby, the NCIS team must find out who sabotaged the vehicle and murdered the Lieutenant.

When a high-level Marine intelligence officer is found murdered in a small motel room, the NCIS team must find the person who murdered her. After discovering that she was already dead for three days, and that the town authorities already "investigated" the crime, Gibbs is determined to solve the case.

When the NCIS team learn that a missing ten kilograms of highly toxic chemical weapons are now in the hands of Mamoun Sharif, a wanted terrorist, they will have to find a way to find the man and stop him before it's too late.

After catching an international arms dealer, the NCIS team learn that the Navy's highly classified weapons system will be sold to arms dealer La Grenouille. To stop the transaction, the team send Ducky undercover.

When a dead body of a sailor is found in an abandoned part of the town, all the evidence seem to point that the person died from a drug overdose, but when the team uncover more evidence, it turns out to be a murder.

When a Navy Lieutenant becomes the victim of radiation poisoning, the NCIS team must find the person who's behind the crime. The Lieutenant, who is working for the International Atomic Energy Agency, claims that only his two colleagues knew about his assignment, and whoever it was, the person tried to stop the Lieutenant's next investigation.

When an explosion at a military cemetery mausoleum reveals a crypt full of a mixture of body parts, the NCIS team must inform the families of the victims, hoping to find a connection and narrow down the suspects to find out who is behind the hideous crime.

When a supposedly frozen to death Marine turns out alive on Ducky's autopsy table, the NCIS team have to find out about the victim's movements in the last few days to uncover what happened to him and who left him for dead.

When a weekend call to the NCIS tip line from an unknown source about possible terrorist activity results in the death of two agents sent into a trap, the NCIS team will have to find out who were the people responsible with the help from Agent Paula Cassidy, who holds herself responsible for the tragedy.

McGee is under high pressure during the murder investigation of a Petty Officer based on the character for his latest book, with very little information to go on.

Director Shepard makes a huge mistake by meeting a man alone to inform her about La Grenouille, as their meeting turns into a murder of the informant. Now the NCIS team must gather all the existing info and try to finally hunt down their enemy.

When a blind photographer shoots the body of a Petty Officer on film, the NCIS team use his special insight to investigate the crime.

When Jenny has to attend an overseas conference, Gibbs is made acting director, but he prefers to ignore his duties and lead the investigation of the murder of a man, who was found dead in a taxi headed to the NCIS headquarters.

When Jenny returns from her European trip, the entire NCIS team will be forced to take a Homeland Security polygraph test, and the deepest secrets of each agent are about to be revealed. Plus, an unarmed Tony and Jeanne are held hostage by a ruthless drug dealer.

The NCIS team uncover a huge secret, as their mission to capture La Grenouille comes to an explosive and deadly conclusion.

During an autopsy, Ducky makes a startling discovery that turns a murder of a Petty Officer into a search for a missing infant.

Lt. Colonel Mann joins Gibbs in an investigation of the murder of a Marine Captain who had access to highly classified information. Things get very personal for Gibbs when one of the witnesses in the case turns out to be one of his ex-wives.

When Ducky realizes that one of his cadavers used for research is actually a victim of murder, the NCIS team identify him as a criminal genius who is capable of deleting the past.

The NCIS team are called in to stop a Naval officer from committing suicide by jumping off a rooftop, but when the suicide attempt turns into a murder, the NCIS team will have to find out who did it.

While investigating a mysterious death on a top-secret Naval research ship at sea, the NCIS team board the abandoned ship and find a deadly secret that may cost them their lives.

Gibbs finds himself emotionally challenged when he agrees to investigate a crime connected to a friend of his daughter, who passed away years ago, and the investigation leads to a shocking conclusion.

A murder investigation of a Navy Admiral takes a shocking turn when a woman, a political refugee, returns home to search for her husband.

The NCIS team have to babysit a nine-year-old son of a missing man, a survivalist who is somehow connected to a cold case murder. The investigation leads the team into the wilderness, where they discover a shocking truth about the man's past.

While trying to track down a delusional and violent Marine who thinks he's still in Iraq, the NCIS team learn that the man has been the subject of a secret experiment - and it comes with a high price to pay.

After a young Muslim Marine is murdered near his Mosque, Ducky refuses to perform an autopsy due to his religious beliefs. The NCIS team try to talk to the father of the deceased, and they send McGee to plant a bug in the Mosque, only to discover that the FBI already planted their own bug.

The NCIS team go on a stakeout in a warehouse to catch a suspected thief of a high-tech Naval radar, but they accidentally end up witnessing a murder.

When a dog owner is found murdered, the NCIS team must determine if his dog committed the murder or not, and Abby decides to fight for the dog's life by trusting her instinct about the dog's innocence.

The dead body of La Grenouille surfaces and the entire NCIS is put under investigation by the FBI, with Jenny as the prime suspect for his murder.

Two members of the NCIS team are sent to Baghdad to investigate a mortar attack that turned into a murder investigation.

While on an undercover mission, Ziva's life is put in grave danger when the serial killer she's been tracking becomes suspicious of her.

Palmer is put in grave danger when he becomes the target of an anonymous murderer, whom only he can recognize.

When a former NCIS agent is found dead, the entire team is put in danger as they hunt after the killer.

When one of their own is killed, the team must find the killer before they get to another member of the team, Gibbs. In an emotional investigation, the team tries to stay together, against the wishes of Assistant Director Vance.

When a Petty Officer is found murdered, Gibbs learns about the mysterious connection between the disbanding of his team and the case.

DiNozzo's investigation into a Navy Lieutenant's apparent suicide takes a surprising and deadly turn when it seems that it might have a connection to a larger, deadly scheme.

A distinguished senator asks Gibbs for help in solving the murder of a young female Naval officer.

When a murder investigation leads the team to Gibbs' hometown, secrets about his past are revealed.

Gibbs' hunt for the killer of a Marine puts him on a collision course with an old friend.

Gibbs and his team are searching for a cyber serial killer who takes videos of his victims. The team quickly finds out that the videos of the dead victims are false.

A Navy bank has been robbed and NCIS is responsible for the investigation. One of the new recruits assigned to the fraud unit, Special Agent Dwayne Wilson, joins the team to help.

A strange delivery in a box arrives at a Navy facility. The delivery driver and a Navy MP officer discover it is a sailor's corpse.

The team is forced to rely on information from questionable sources while trying to stop a criminal bent on stealing government secrets.

The team investigates the death of a Petty Officer and discovers he may have been leading a violent secret life.

During the week of Christmas, the NCIS team is forced to work overtime when they discover their prime suspect had been dead for 17 years.

The NCIS team must uncover the truth behind the murder of a jail guard which resulted in a prison riot and McGee being held captive by the inmates.

Secrets from Ducky's clandestine past come to the forefront after he's attacked at a crime scene.

The team discovers a link between a sergeant's murder and his possibly treasonous private life.

Demons of the past come back to haunt Gibbs when he finds a cryptic message waiting for him at a crime scene.

A murder prompts the reopening of one of Tony's old investigations, leading Gibbs and DiNozzo to reverse roles to solve the case.

When a fellow agent is murdered, the NCIS team head into the desert to locate a woman who might hold the answer to the mystery murder.

The death of a boxer leads Vance to borrow the NCIS team and start investigating his death, while Gibbs digs into Vance's past.

When a young boy finds a murder weapon, the team must trace ownership of the gun to find who used it last and who was murdered.

Gibbs and the team must work with the shady Trent Kort to put away one of NCIS's most wanted.

When a government scientist goes missing, Abby is recruited to carry on his work, but the team worries that she may meet the same fate as her predecessor.

The body of a Marine leads Gibbs and McGee to the NCIS OSP division in Los Angeles, where a murder investigation quickly climbs to a matter of national security.

With the appearance of Mossad agent Michael Rivkin, Tony is forced to question Ziva’s loyalty to NCIS.

After a security breach at the SecNav's residence leads to the death of an ICE agent, Gibbs and the team are forced to work with ICE and the FBI to find his killer.

Ziva's homecoming to Israel with Gibbs and the team is not a happy reunion with her father, the enigmatic and powerful head of Mossad. As tensions rise, Gibbs is forced to make a decision that sends shock waves through NCIS.

As the hunt for Ziva's replacement begins, Gibbs and his remaining team members must head back to work with the past still weighing heavily on their minds.

The team discovers the bizarre death of a Marine and his two friends may be linked to their past, but it's Gibbs who ends up taking a trip down memory lane.

The team must take a second look into the death of a Lieutenant after the blogger who accused them of a cover-up ends up dead.

When a Marine's body surfaces halfway around the world, the investigation forces Ziva to dig up a buried chapter of her life.

When a Marine known for his practical jokes is found dead on Halloween Eve, the NCIS team discovers that the victim's "good-natured" pranks may have inspired ghoulish retribution.

A murder investigation prompts Gibbs and the team to play family counselor to his former mentor, Mike Franks, in the hopes of preventing a bloody international conflict.

With the team's help, Vance faces his demons while uncovering a complex relationship with a killer that puts his whole family in danger.

The team literally finds themselves in the dark when the investigation into the death of a Lieutenant is connected to a city-wide blackout.

A dead Marine's day job at a government think tank leads Gibbs and the team into the life of a 12-year-old prodigy who may be the killer's next target.

The body of the son of a retired Colonel-turned-preacher is found and the team have their suspicions that he may be the victim of a hate crime.

When a Navy pilot is found dead under strange circumstances in a secluded area, the team finds themselves battling a no-nonsense attorney with a hidden agenda.

Gibbs is worried about Tony's ability to handle his job when Tony's father turns out to be linked to their newest investigation, an assassination attempt on a foreign prince.

While on the flight back from Paris, Tony and Ziva realize that their assignment to protect a government witness in an embezzlement case is in great danger when they learn that an assassin is located on the same flight.

The team finds themselves in a race against time when a terrorist group threatens to detonate a "dirty bomb" in the D.C. area.

When a Marine is found dead, Gibbs, Fornell, and the team hit the open road to bust an illegal trucking operation.

Secrets arise when Gibbs' former mother-in-law surfaces as a witness in a murder investigation.

Gibbs and the team investigate the shooting of a Marine and uncovers more to his life than anyone would have ever imagined.

The team discovers striking similarities between themselves and their CGIS (Coast Guard Investigative Services) counterparts when a Navy diver seeking sunken treasure is found dead.

The death of a Navy officer leads Gibbs and the team into the world of high-priced call girls, relying on D.C. Madam Holly Snow to help them catch a killer.

When an NCIS polygraph specialist's night job takes a dangerous turn, Gibbs, Fornell, and the team have to uncover the truth.

DiNozzo finds himself increasingly captivated by a woman he's never met while investigating the murder of her brother.

The team tries to track down a serial killer, while Abby heads south of the border to give a speech with McGee in tow.

When a colleague's murder sends shockwaves through the team, Gibbs uncovers a surprising link to the crime.

Gibbs heads to Mexico to face his demons and make a startling decision.

Gibbs must take desperate measures to protect his loved ones with Paloma Reynosa still on the loose.

The NCIS team has to find a young girl that was kidnapped, but their investigation turns into something else when her grandfather gets way too involved.

The team investigates a bomb tech's guarded personal life after she is attacked.

The team hopes to avoid an international incident when an American officer is killed on a British ship.

The team uncovers a sinister plan when a controversial DJ and a Naval officer are shot to death.

Abby becomes fixated on solving a murder, while DiNozzo's latest fling leads to an interesting Halloween.

The team is surprised when Gibbs asks Tony's father to join them in a murder investigation.

The team is assigned to protect Ziva's father, when his attendance at a NCIS conference leads to some unexpected surprises.

The team scrambles for answers after a shocking ambush reveals a new twist to their current investigation.

The NCIS team investigates the disappearance of a Petty Officer who is the sole witness in an upcoming murder trial.

Gibbs and the NCIS team partner with a Coast Guard Investigative Service (CGIS) Agent to solve the murder of a Marine gunned down on a dinner boat.

A Petty Officer's recruitment session at a college fair comes to a fatal end, prompting the NCIS team, accompanied by Dr. Mallard's predecessor, to solve his murder.

The NCIS team springs into action to find the assailant responsible for beating a Marine to death in his own backyard.

The NCIS team undergoes mandatory psych evaluations while investigating the death of a Naval Commander.

A botched assassination attempt in Belgravia forces NCIS to protect the Defense Minister's daughter, who is studying in the U.S. and smitten with McGee.

The dismembered fingertips and teeth of a murdered Marine are discovered in the stolen purse of a pickpocketer, launching NCIS on a mission to find a cold-blooded killer.

NCIS discovers that one of its former investigative assistants found brutally stabbed to death was selling details for how to rob a warehouse full of valuable possessions belonging to a woman convicted of fraud.

Gibbs questions Vance's motives when he is asked to interrogate a teenage boy accused of killing his retired Marine father.

NCIS connects a message in blood left by a murdered Navy commander to a manuscript that may contain classified military information.

To Gibbs' displeasure, Special Agent E.J. Barrett returns to lead the investigation of a seaman's death that may be connected to a series of port-related murders.

The NCIS team tracks a Navy Lieutenant's killer after a Pentagon security camera reveals a Petty Officer committing the crime.

After Tony's ex-partner, Danny Price, appears to be the Port-to-Port Killer's latest victim, he revisits his days as a detective in Baltimore, including his first encounter with Gibbs.

After new evidence reveals that the Port-to-Port Killer has infiltrated the agency, the NCIS team chases every lead in a race to track him down.

The lives of NCIS members are in jeopardy when they come face-to-face with the infamous Port-to-Port Killer.

Gibbs and the NCIS team have to find answers regarding Tony's months-long assignment when an NCIS agent is found dead.

The NCIS team uncovers a startling surprise after a young Marine shows up to his homecoming party with a fatal stab wound.

The line between McGee's personal and professional life is blurred when NCIS uncovers a connection between his grandmother and the murder of a Navy Lieutenant.

The NCIS team searches for the person and motive behind a contract killer targeting a Navy Lieutenant Commander.

When a coast guard officer is gunned down on a cargo vessel, the NCIS team searches for the killer, but finds a Lebanese family seeking refuge on American soil.

An NCIS case changes from accidental death to murder when evidence reveals that a Navy Lieutenant died of forced over-hydration.

The NCIS team searches for answers when the current husband of both Gibbs' and Fornell's ex-wife is suspiciously kidnapped.

The NCIS team uncovers a discrepancy with DNA remains when investigating the crash of a military plane that had been transporting caskets.

As the NCIS team continues its search for a missing Marine, Gibbs and Ziva travel to her last known whereabouts in Afghanistan.

After Anthony DiNozzo, Sr. is found in a car with a dead body in the trunk and no memory of the previous night, the NCIS team must figure out if he is capable of murder.

When a Navy Captain is killed in a hotel room, NCIS must track down and protect his very pregnant companion from unknown assailants.

An investigation into the murder of a Navy Commander leads the NCIS team to E.J. Barrett’s whereabouts.

When a Navy Lieutenant Commander is found dead in a building under construction, NCIS must search for a killer while dealing with interruptions from her distraught detective husband.

During a routine stop for his morning coffee, Gibbs finds himself staring down the barrel of a gun, forcing him to question choices he has made in the past and present.

When a Navy Captain is found dead with an unusual costume hidden under his uniform, NCIS uncovers a secret society of real-life super heroes and must track down the villain.

Gibbs clashes with Dr. Samantha Ryan over the truth behind a Navy reservist's possible suicide.

Top-secret clearance from a Naval research laboratory is jeopardized when the murder of a Chief Petty Officer is connected to an international arms dealer.

The Secretary of the Navy partners Gibbs with Dr. Samantha Ryan after top secret information is leaked by someone on the inside.

A case hits close to home when the lead suspect in the murder of a Petty Officer is Director Vance's brother-in-law.

Following the murder of a Marine, Tony and Ziva join Ziva’s longtime friend and mentor in Columbia in a search for a missing Marine Lieutenant and Navy Chaplain.

After a warehouse fire reveals missing Navy documents, posing a potential threat to national security, the NCIS team joins the Baltimore P.D. investigation, reuniting Tony with a boy from his past.

The NCIS investigation of a fire on a Navy vessel reveals evidence that elevates security at all U.S. Navy facilities worldwide.

The NCIS team analyzes what secrets could be in the hands of a terrorist targeting the Navy when a high-tech bug is found inside a probationary agent’s tooth.

Terrorism shakes the foundations of the Navy and NCIS to such an extent that Gibbs and the team face surprises that will devastate them.

With NCIS headquarters damaged by the bomb, Gibbs goes on the hunt for Harper Dearing to bring him down once and for all.

When the body of a missing NCIS facilities manager is found four months after disappearing on the day of the Navy Yard bombings, the NCIS team is assigned to investigate the strange case for one of their own.

While on medical leave, Ducky orders the exhumation of a Navy Commander's body from a case closed 12 years ago. As a result, Gibbs tasks Ducky with a slightly different role on the investigation.

When a helicopter crew is adrift at sea and later discovered on shore, the NCIS team must determine the cause of the crash and locate the missing pilot.

A Petty Officer is gunned down in a billionaire’s Ferrari and the investigation leads the NCIS team to discover a link to a man Gibbs was named after.

When a Navy Lieutenant who recently returned home from the Middle East is found dead from a brutal attack, the NCIS team questions the victim’s friend, Marine Captain Joe Wescott.

Gibbs continues to work with Captain Wescott while he retraces his steps in order to help the NCIS team track down a terrorist.

As the NCIS team investigates a teenage girl’s abduction, Ziva and Abby work closely with her young friend who witnessed the kidnapping. As the investigation unfolds, Gibbs seeks help from a past contact, Miranda Pennebaker, a well-connected woman with questionable morals.

Gibbs teams up with FBI Agent Fornell on a joint NCIS/FBI investigation after Fornell becomes the target of a shooting, but they face an unexpected twist in the case when their mutual ex-wife, Diane Sterling, gets involved.

It’s Christmas time and Tony DiNozzo can’t decide if he’ll be naughty or nice when his dad, Anthony DiNozzo, Sr., comes to town for a visit.

While the NCIS team investigates the link between a dead journalist and a Petty Officer, Ziva is taken aback by the sudden emotional visit by her father, who she hasn't seen in more than two years.

In the aftermath of an event that strikes close to home, the NCIS team unites to seek answers and demand justice in order to protect their most vulnerable colleagues.

The NCIS team investigates a Marine’s car accident and ignites some upsetting past memories for Abby as a young girl on the trail of her first “case”.

The NCIS team takes on a renowned hacker who could hold the key to tracking down the most-wanted cyber-terrorist in the world.

On leave from NCIS while still grieving the loss of his wife and his kids’ mother, Director Vance discovers unexpected personal information that causes him to question everything.

The NCIS team races to track down Ducky and Jimmy after the two disappear while transporting a body from a crime scene.

A media frenzy surrounding an unidentified criminal prompts Gibbs’ barber to question his son’s involvement and ask for Gibbs’ help in ruling out his son as a prime suspect.

A widowed Marine wife, whose husband was seemingly killed by a Taliban sniper, asks Gibbs for help to find out the truth.

The team investigates death of a Navy medical officer aboard a ship that went through a storm.

While the team takes a missing person case, Tony is disturbed by Ziva's way of coping with her father's death.

Ziva continues to pursue revenge against Eli's killer, Ilan Bodnar, and Vance continues to endorse her actions despite orders from Homeland Security to rein them in.

In retaliation for the murders of Eli David and Jackie Vance, the NCIS team feverishly searches for Bodnar despite orders from Homeland Security to relinquish the case.

The team examines whether a Petty Officer is suffering from paranoia or if his claims of being followed are tied to a matter of national security.

The international manhunt for Eli David's killer turns into a federal witch hunt against Gibbs and the team, which questions their unconventional methods and threatens their future at the agency.

An explosion at a D.C. event that results in a casualty connected to the agency changes Parsons’ perspective on Gibbs and the NCIS team.

Determined to locate Ziva, Tony chases leads in Israel in search of her current whereabouts. Meanwhile, Gibbs and the team continue the hunt for Parsa and his growing terrorist ring.

The NCIS team must rely on Twitter for a case involving a missing Navy Lieutenant.

Gibbs and McGee travel to Afghanistan when a murder case leads them to an Afghan women’s shelter that Mike Frank secretly supported for years.

DiNozzo returns to his Baltimore Police Department days when he sees a felony suspect from a 15-year-old case at the NCIS crime scene of a murdered Petty Officer.

The Coast Guard Investigative Service works with the NCIS team when an explosion occurs on an oil rig.

After Gibbs leaves mid-case to help his father reconnect with a former war pilot, Tony and McGee argue over who should run lead on the team’s investigation into the murder of a Marine Sergeant.

The team is forced to take another look at a hit-and-run murder case.

After discovering the Secretary of the Navy was bugged during a confidential briefing, NSA Analyst Eleanor Bishop, who predicted the security breach in exact detail two years ago, partners with the NCIS team on the case.

Complications arise when the NCIS team discovers a link between a murder victim and the current boyfriend of Gibbs and Agent Fornell’s ex-wife.

After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays.

When a stolen drone is linked to the elusive terrorist Parsa, the NCIS team partners with the Department of Defense, including Gibb’s former girlfriend Hollis Mann, to track down the device before it is used for a large scale attack.

In an effort to find the terrorist Parsa, Gibbs and the NCIS team track down one of his cohorts using evidence from the drone attack.

A port authority officer's murder reveals a possible location for Parsa, while Bishop reveals a past connection to the terrorist.

After uncovering faulty bulletproof vests in a truck filled with stolen U.S.M.C. merchandise, the NCIS team attempts to locate both the source and any vests that had been shipped to military personnel overseas.

Someone winds up dead when DiNozzo confronts a man impersonating a Navy officer.

After a bomb detonates in the dressing room at a military charity concert, the NCIS team must determine if the target was a washed-up 1980s rocker or if the bomb was part of a larger scheme.

When a former NCIS agent's body washes ashore in New Orleans, Gibbs reunites with NCIS Special Agent Dwayne Cassius Pride to determine if the murder was politically motivated or related to a well-known case.

Gibbs and Special Agent Pride chase leads in New Orleans after evidence points to a copycat of the infamous Privileged Killer. DiNozzo, McGee, and the FBI continue to track political connections to the case from D.C.

After returning to her job at the Department of Defense, McGee’s girlfriend Delilah finds a break in a controversial case, prompting her to turn to the NCIS team for help.

After a Navy officer is found dead on a rural road, the NCIS team must ascertain if his death was the result of a bar fight or because he knew too much about an attack on a fellow female officer.

When a Marine photographer disappears prior to providing his testimony in an Army court-martial hearing, the NCIS team investigates both the murder he witnessed, as well as his current piece on military veterans who are homeless in the D.C. area.

Director Vance gives DiNozzo a special assignment to bring home an Admiral’s daughter from Paris, but he must turn to his NCIS team for help after he enters a controversial crime scene.

The NCIS team investigates whether a fire on a U.S. Navy ship that served as a secret detention site for indicted terrorists was accidental or an intentional diversion for an escape.

Gibbs and McGee travel to Russia to safely escort home an NCIS computer engineer with classified intel, but their mission is compromised and they are forced to go off the grid while hunted by a mercenary group.

When a Navy Lieutenant is killed on his way to a private meeting with the President, the NCIS team must determine if the murder was part of a recent stream of muggings in the area or a targeted hit to keep intel secret.

Flashbacks into his past help tell the tale for Dr. Mallard as he and Bishop travel to England in search of answers to find out why an Englishman murdered in the United States would have a list of deceased Navy men on his person.

The Secretary of the Navy assigns the NCIS team to a joint terrorism task force after a Naval research scientist is murdered and the lead suspect is wanted by the Russian government.

During a joint Coast Guard and NCIS training exercise at sea, Gibbs and CGIS Agent Borin spot a deceased man overboard, who is discovered to be a missing crew member from a ship 60 nautical miles away.

The NCIS team must determine if the murder of a Navy Commander's wife is linked to her profession as a therapist or an act of terrorism after finding the Commander's name on a Jihadist target list.

After investigating the murder of a retired Master Sergeant, the NCIS team uncovers a fraudulent charity that preys on those searching for missing military personnel.

Gibbs searches for a way to clear a Navy Hospital Corpsman after she's indicted for illegally providing medical aid to the victims of a hit and run accident.

While stuck at the Dulles airport due to inclement weather, DiNozzo, Bishop, and her husband Jake work an NCIS case involving an elevated terrorist threat at Northeast airports during the Thanksgiving travel surge.

The NCIS team consults with three cyber-terrorists they imprisoned after a city-wide Internet shutdown the week before Christmas.

The NCIS team investigates copy-cat crime scenes while Gibbs navigates two ex-wives relentlessly trying to get his attention.

The NCIS team searches for a home-grown terrorist after a rescue mission in Syria reveals an American was involved in the capture of a social worker.

Gibbs and the team investigate when a Navy Lieutenant who is set to be the first openly gay service member to receive the Medal of Honor is murdered.

DiNozzo returns to the military academy he attended as a teen after a murdered Marine, who was an alumnus of the school, is found clutching the photo of a current student.

The NCIS team suspects Gibbs' arch-nemesis is behind an explosion at a global terrorism summit.

A covert identity created for one of Gibbs’ undercover cases from 20 years ago resurfaces when a murder victim is found living under the alias.

Evidence in an NCIS murder case reveals a rare painting on loan had been swapped for a fake, prompting DiNozzo, Sr. to share his knowledge and contacts of the black market art world with the team.

After the body of a thief is found in a Marine’s house, NCIS discovers the calling card of a terror group Delilah and the Department of Defense have been tracking.

The murder of a Petty Officer sparks a lead in a 40-year-old airport bombing cold case that Gibbs and DiNozzo have been assigned to for the past two years.

DiNozzo is partnered with his girlfriend ATF Special Agent Zoe Keates after evidence reveals that the murder weapon in an NCIS case was originally purchased for the controversial ATF sting operation “Operation Fast and Furious.”

Gibbs and Bishop travel to Afghanistan after the murder of a Marine in D.C. is linked to a terror group holding another Marine hostage overseas.

Special Agent Ned Dorneget from NCIS cyber operations assists the team when a Navy ensign who worked in the Office of Naval Intelligence is murdered.

The NCIS cyber case turns into a united global effort after evidence confirms “The Calling,” an international terrorist group that recruits children through the internet, has been purchasing S-bombs off the black market.

NCIS feverishly investigates a global terrorist group that is recruiting teens via the Internet, following a deadly bombing overseas that results in an emotional and surprising loss for the team.

After being shot, Gibbs fights for his life aboard a Navy hospital ship, while DiNozzo and Joanna travel to Shanghai to try and take down the Calling.

Gibbs calls on the team to assist DEA Agent Luis Mitchell with a case that keeps going cold, but DiNozzo discovers there is more to Gibbs’ personal connection to the agent and his desire to help him succeed.

After a Marine is found murdered in Quantico hours after calling Gibbs to discuss a possible case, Bishop and McGee go undercover as a married couple to run surveillance on a Marine Lieutenant and his wife.

Vance partners with Gibbs and returns to field duty when a murder case is connected to a former NCIS agent he locked up for stealing evidence.

While visiting a pharmaceutical lab on a murder case, Abby is trapped with no communication to the outside world after armed men take over the building and hold everyone hostage.

When a Petty Officer’s murder matches the M.O. of a local serial killer, the NCIS team must determine if this is the killer’s latest victim or the work of a copycat.

The NCIS murder case of a retired Navy Lieutenant Commander forces Ducky to reveal his participation in a secret society that solves cold cases.

DiNozzo is reunited with his ex-girlfriend, Jeanne Benoit, when insurgents in Sudan attack a group of volunteer doctors, including her husband.

In order to clear his name, a Petty Officer volunteers to be court-martialed if NCIS agrees to conduct its own investigation after his murder case is dismissed due to a mishandled warrant.

The Secretary of Defense calls on NCIS to help a sailor who is battling leukemia to locate a donor for a bone marrow transplant, after two of his siblings are killed in the line of duty.

After Ducky is attacked by a man claiming to have information about his half-brother who died decades ago, the NCIS team searches for the perpetrator.

The passengers and crew of a private plane traveling from New Orleans to Washington, D.C., are poisoned and the evidence points to Abby's brother, the aircraft's missing chef. The episode continues on NCIS: New Orleans S2E12 Sister City (II).

While investigating the murder of a seaman who was set to testify before a grand jury, the NCIS team uncovers the resurgence of an international human-trafficking ring.

Four deep sea divers stay inside a diving chamber with a deceased body in order to decompress. The dead body belongs to a retired Petty Officer who died in mysterious circumstances.

When Secretary of the Navy Sarah Porter learns her daughter has been kidnapped, the NCIS team partners with the FBI to track the case, determine a motive and bring her home.

Doctor Cyril Taft experiences the rush of an NCIS case after he is assigned surgical duty to Gibbs’ suspect and finds key evidence.

The NCIS agents’ personal plans are interrupted when each of them catches errors in a seemingly cut-and-dried closed case.

The NCIS team re-examines an ambush on a group of Special Ops snipers in Iraq after an American couple is attacked in the same area six months later.

A Navy Public Affairs officer is murdered, and the victim's wife and mistress accuse each other of the crime.

Tony's identity is stolen by multiple perpetrators who go on to blackmail politicians.

Gibbs and Senior FBI Agent T.C. Fornell unite after two British prisoners, including a former spy, escape and arrive stateside via a shipping container.

When a 14-year-old foils a home invasion, Gibbs suspects the teenager is withholding pertinent details.

The NCIS team, alongside the FBI and MI6, continue an international manhunt for an escaped British spy who has left one colleague fighting for their life in ICU.

NCIS, the FBI, and MI6 continue an international manhunt for an escaped British spy who is targeting current and former agents.

The NCIS team investigates a deadly car explosion in D.C. that connects to NCIS Special Agent Nicholas “Nick” Torres, who disappeared six months ago while on a deep undercover assignment in Argentina.

NCIS uncovers a bomb plot and a long-running theft ring while investigating a death at a Quantico reunion.

When the NCIS team investigates a Marine Sergeant’s tragic fall from a building, her doctor confides in Gibbs and suggests he treat it as a murder investigation.

After the body of a Navy Lieutenant is discovered aboard a destroyer during a tiger cruise, when civilian guests are allowed to spend the night on the ship, Gibbs, Quinn, and Palmer travel out to sea to investigate.

When a missing MI6 officer is linked to a murdered Petty Officer, Gibbs sends Quinn and Bishop to Philadelphia to work with MI6 Officer Clayton Reeves.

After a kidnapped Petty Officer escapes her captor, NCIS uncovers a connection to her missing husband.

Torres boldly breaks protocol when he learns a witness in an NCIS case is wanted by U.S. Immigration and Customs Enforcement.

After NCIS Agent Bishop is sent to Gitmo to gather evidence for a Navy chaplain murder case, she questions her previous work at the NSA.

The NCIS team investigates a series of escalating threats against congresswoman Jenna Flemming, while Director Vance oversees her temporary protection detail.

After the NCIS team tracks evidence from the murder of a Navy captain to Ducky’s deceased mother, Ducky looks back and questions a pivotal life choice he made 37 years ago.

NCIS searches for new leads after an undercover operation to apprehend a businessman who uses acts of terror to manipulate the stock market is compromised.

When Gibbs spots the brother of an "NCIS Most Wanted" suspect, he takes the opportunity to assume his former alias and go undercover with their infamous anti-government militia.

During an NCIS hit-and-run investigation, Palmer joins a stranger on the outside ledge of a building in an attempt to save his life.

The murder of a Petty Officer in a small town outside D.C. prompts NCIS to once again work with "The Sherlocks," a privately funded investigative team that includes their newest member, Anthony DiNozzo, Sr.

After Abby's homeland security think tank is compromised and she is found in possession of a real bomb, the NCIS team discovers the leader of the group has been murdered and a theoretical terror playbook has been stolen. The crossover continues on NCIS: New Orleans S03E14 Pandora's Box (II).

Bishop is more determined than ever to seek revenge for the murder of Qasim, her late boyfriend, after Gibbs and the team find a new lead in the Chen case.

McGee discovers his apartment has been torn apart by a robber trying to locate an item of great value hidden somewhere by the convicted criminal who previously owned the unit.

To carry out a sailor's dying wish, Gibbs and the NCIS team reinvestigate a murder case that was originally ruled an accidental death.

The team must rely on an irritable Vietnam War veteran to solve a Marine's murder.

A Vice Admiral tasks McGee with tracking down the hackers who infected his laptop with ransomware before the virus wipes out all his data. The cyberterrorism escalates when the virus spreads to the whole NCIS office.

A Marine's murder has connections to a dirt bike gang that Torres joined while on an old undercover operation.

A Gunnery Sergeant's murder in a national park leads the team to join forces with the mounted police. While investigating the clues, they uncover a disturbing smuggling ring.

The team suspects foul play when a healthy, young Petty Officer mysteriously dies in his sleep aboard a Navy destroyer.

When a Navy SEAL vanishes during an unsanctioned trip, Gibbs, McGee, and Torres travel to an unpopulated area in Paraguay that's teeming with violent rebels.

The NCIS team tirelessly search for Gibbs and McGee two months after they were last seen fighting an elusive group of rebels in a Paraguay jungle.

NCIS investigates when the body of a murdered Navy Lieutenant, who disappeared over a year ago, is found by a cemetery grounds crew while relocating caskets on the property.

Torres' partner mysteriously vanishes during a stakeout with Metro P.D. The investigation uncovers new evidence from a decade-old murder case.

NCIS Special Agent Jacqueline Sloane, a forensic psychologist, joins the team just as a horrific storm shuts down Washington, D.C. During the power outage, a sailor is kidnapped, and Torres and Bishop go out to sea to track evidence.

Reeves sees his friend get kidnapped and the investigation reveals the primary suspect disappeared two days earlier with confidential military information.

A Petty Officer is found murdered on a golf course, and McGee spends hours on the victim’s ham radio trying to locate a key witness.

A convicted felon claims NCIS framed him for murder a decade ago, so Gibbs investigates and asks Ducky to conduct a new autopsy. Senior FBI agent Fornell joins the probe, since he was the lead investigator in the original joint FBI and NCIS case.

An NCIS person of interest in a bribery and fraud case is found murdered after a runner is led to his body by a strange voice.

The team tracks an elusive international arms dealer who recently murdered an MI6 officer.

As Torres and Sloane run protection detail for U.S. Senator John Phillips in Afghanistan for the holidays, they must urgently return to the States after hearing the senator’s son is in the ICU.

Torres and Bishop go undercover as a criminal couple available for hire, during an NCIS sting operation tracking illegal drug-running out of the Norfolk civilian marina.

After a seemingly happy and successful Navy Lieutenant appears to have taken her own life, Gibbs and the team conduct a thorough investigation, interviewing family and friends from her past and present.

After McGee and Torres visit the home of a high schooler who witnessed a hit-and-run, her parents flee with their daughter, leaving NCIS in the lurch.

After the body of a missing Navy commander is found, Vance orders Gibbs and the team to work with former FBI Agent Tobias "T.C." Fornell, the private investigator who was hired to locate him.

NCIS strikes a deal with convicted murderer Paul Triff, giving him a 48-hour furlough at his former residence, now McGee's home, in exchange for information that can convict his former cellmate, Gabriel Hicks, the murderer who deceived Gibbs and Fornell.

Gibbs and the team work to clear the name of retired Marine Sergeant John Ross when cyanide is found in one of the hundreds of care packages he sends to active-duty Marines.

Gibbs and Ducky are watching TV when they see the host handling a 200-year-old war stick that could be a match from a decade-old cold case.

The NCIS headquarters are evacuated after the team discovers a body as well as bomb materials on the roof of the squad room.

Gibbs is granted protective custody of a ten-year-old orphaned refugee, Elena, when an NCIS case reveals she is the target of a violent gang.

NCIS searches for a Petty Officer suspected of assault who escapes when the sheriff transporting him crashes into a lake.

Sara Carter begs Gibbs to investigate her mother's murder - she believes the wrong man was convicted.

When evidence reveals an NCIS team member is a hitman’s latest target, the team must search through old case files to determine who is seeking vengeance.

While Gibbs attends the memorial service for a friend who was lost at sea, he discovers that the deceased, Navy Captain Phillip Brooks, has been hiding in a fallout shelter after his boat was attacked and he swam to shore.

Sloane is adamant that a man who held her hostage and tortured her years ago in Afghanistan, and was believed to have been killed following her rescue, is alive and in D.C.

One month after Director Vance was kidnapped, Gibbs is assigned the role of acting director in his absence while the team searches worldwide for his whereabouts.

After a Navy Lieutenant is found murdered in his hot tub, the team interviews several families in the victim’s peculiar neighborhood.

One of the NCIS agents is starstruck after the team investigates an explosion outside the home of Navy Petty Officer First Class Todd Nicholas and his wife, popular reality TV star Sheba Nicholas.

Gibbs’ quiet vacation at his remote cabin is interrupted by a surprise visit from Tobias Fornell and Navy Captain Phillip Brooks, as well as a call from NCIS asking for his help locating a robber hiding in the woods near him.

After a 50-year-old tape recording left by a murder victim is found, the NCIS team tries to exonerate Ray Jennings, the Marine serving a life sentence for the crime.

After NCIS arrives at a Halloween crime scene, Torres recognizes the victim as a friend from federal law enforcement training.

After a mural by a street artist and activist is stolen, the NCIS investigation leads to a conspiracy regarding a Navy contractor and the safety of ocean mammals.

McGee and Bishop travel to Afghanistan after a murder case in the States is linked to a string of soldiers killed by friendly fire overseas.

When the lead suspect of an unsolved and high-profile robbery case is released from prison, the NCIS team resumes their investigation with an undercover stakeout.

The team’s holiday plans are put on hold when the murder investigation of a Navy veteran includes the discovery of a newborn baby who has no identification and no apparent ties to a family.

United States Secretary of Defense Wynn Crawford shuts down Gibbs' murder investigation and demands that Special Agents McGee and Torres be arrested for their actions in the case.

An old family friend, Army Corporal John Sydney, beseeches Gibbs to join him on a road trip to search for a missing military I.D. bracelet. Also, a Navy Lieutenant in NCIS protective custody is poisoned by an infamous drug dealer.

After a malnourished and confused 9-year-old is found hiding in a storage unit, NCIS reopens an old missing persons case when the girl is believed to be the daughter of a Navy recruit who disappeared 10 years ago. Also, Bishop discovers notes that Special Agent Ziva David kept on the case long after NCIS officially stopped investigating.

McGee reluctantly visits his high school after the unique computer password he used as a teenager is linked to the murder of a department of defense contractor. The case escalates when an intruder breaks into McGee’s home in an attempt to steal his archaic high school computer.

The NCIS team investigates a man overboard fatality from a Navy destroyer at sea. Also, Torres is frustrated with Vance’s assignment to mentor three high school students.

Jimmy is torn between family and work after his father-in-law, Ed, asks him to tamper with evidence from NCIS’ current murder investigation. Also, Ed’s poker buddy, Anthony DiNozzo, Sr., offers to help with the case.

Director Vance is notified by the Pentagon that the nuclear submarine Gibbs and Bishop are aboard to conduct a murder investigation has gone radio silent.

Torres relies on his team's investigative skills after he wakes up on a dilapidated fishing boat and is covered in blood and unable to remember the last 12 hours.

Following an active shooter lockdown at a Naval hospital, the team searches for a suspect who fled the scene.

NCIS investigates the murder of a Marine Major believed to have been killed in the 9/11 attack on the Pentagon after human remains are discovered at a construction site.

After entering cold case DNA into the system, Kasie solves a 30-year-old murder case, but a loophole in the legal system may set the suspect free.

After NCIS finds a secret government bank account that’s funding a nationwide network of vigilante justice, the team must determine who is acting as judge and jury.

The NCIS team investigates the murder of a Marine Sergeant in the States who was hailed as a war hero for his efforts overseas.

Former FBI Agent Tobias Fornell pleads with Gibbs to do whatever is necessary to take down drug dealers and suppliers in the area after his daughter, Emily Fornell, is hospitalized from an opiate overdose.

Ziva surprises Gibbs with a cryptic warning, prompting him to question why she remained underground for years while being presumed dead by family and friends, and what led to her return.

With their lives in danger, Gibbs and Ziva’s rogue investigation takes an unexpected turn when a possible terrorist plot is revealed.

After the body of a Marine Lieutenant is found hidden under an 18-wheeler, the NCIS team tracks the vehicle’s previous locations to pinpoint the crime scene and suspect.

The NCIS team links a bizarre crime scene at Arlington National Cemetery to a string of attacks on homeless veterans.

NCIS investigates Marine Corporal Laney Alimonte after evidence suggests she murdered her neighbor while being treated for insomnia by a hypnotherapist.

After a Petty Officer’s son is found murdered at his “welcome home from prison” party, evidence suggests Kasie’s lifelong best friend, Dante Brown, is the suspect.

While investigating a Marine’s murder, the NCIS team uncovers a labyrinth of live-streaming spy cameras hidden in the rooms of a Virginia motel.

The NCIS team investigates the murder of a musician in the Navy’s most elite band that performs at diplomatic events around the world.

The NCIS team investigates a Petty Officer's murder that was livestreamed on a popular gaming app.

Gibbs and the team help Ziva with the "one thing" she said she'd take care of before returning to her family.

Gibbs must face the consequences of helping Ziva with "the one thing" she said she'd take care of before returning to her family.

The NCIS team investigates an F-18 crash and the subsequent disappearance of the pilot.

After a body is found at an unmanned aerial vehicle testing site, the NCIS team must determine if the death was murder or an accident.

After Torres and Bishop are victims of a hit-and-run, Torres fights for his life in the Intensive Care Unit.

The lead suspect in an NCIS murder investigation is a woman Gibbs' friend, Phillip Brooks, met on a dating site.

While investigating the suicide of a retired Navy officer who left a rare, valuable - and possibly stolen - coin to the National Museum of the Navy, the team imagines themselves in his life story in order to piece together how the coin ended up in his possession.

As the NCIS team investigates the death of a Navy officer murdered the same way as his parents a decade ago, they stumble across a storage container filled with dollhouses that display recreations of murder scenes.

The team searches for answers when the body of a well-regarded Navy technician in the Reserves is found floating in a lake where a popular community event is being held.

When Kasie and Jimmy are held hostage in a diner after a jewelry store robbery goes awry, they attempt to keep the other customers safe from the thieves.

The team tries to verify the identity of Joe Smith, who claims he served on the U.S.S. Arizona during the attack on Pearl Harbor, and wants to be buried there upon his death.

Gibbs and Fornell attempt to track down the leader of a drug ring who supplied drugs to Fornell's daughter.

Flashbacks reveal the murder case that first introduced young Gibbs to NCIS and his introduction to young, new-to-America Ducky.

The discovery of two dead bodies leads the NCIS team into the wild world of modern-day treasure hunting.

McGee and his wife Delilah's Bahamian vacation turns into a high-stakes mission when a case NCIS is tracking of a dead escape room manager has ties to the island.

Gibbs and Fornell's crusade to find the head of the drug ring responsible for Fornell's daughter Emily's overdose comes to a climax.

Following a tip about smuggled weapons, Bishop and Torres engage in a shootout in a former sheriff's residence that's now a historical site, only to find themselves locked in abandoned jail cells there.

NCIS investigates the murder of a Navy officer who was killed while driving home a recently released inmate.

When Sloane’s name is discovered in Afghanistan at the site of an abandoned bus with a dead driver, Gibbs accompanies her on a trip to find a group of girls who were kidnapped from the bus.

NCIS dives into the competitive world of food trucks after finding a man frozen to death in the back of one.

NCIS uncovers a secret dogfighting ring, which leads to an unexpected move by one of the team members.

Vance assigns McGee, Torres, and Bishop to Covid compliance duty at a foreign affairs summit, where they discover a link to another NCIS team's murder case.

Evidence from the stabbing of a Marine Sergeant leads Torres to meet his father who left when he was a child.

The team investigates a cyclist killed in a hit and run. Gibbs prepares to testify against a financial advisor who stole millions from his Navy clients.

NCIS tracks a stolen laptop to the uncle of a young boy, Phineas, Gibbs’ former neighbor.

When members of an NCIS Regional Enforcement Action Capabilities Training Team (REACT) are killed during an explosion, NCIS Special Agent Jessica Knight, the lone surviving member, helps crack the case using high tech body armor.

While pursuing a dangerous arms dealer, the team is shocked when Bishop is implicated in an old NSA leak while Gibbs and Marcie realize the killer they've been tracking may be onto them.

As the NCIS team searches for Gibbs after wreckage from his boat is discovered, they find out he was tracking a serial killer with journalist Marcie Warren, who wrote an exposé on him.

While trying to find the serial killer Gibbs was after, the NCIS team discovers another person has been tracking the case as well.

Gibbs and Parker go on a road trip to find one of the serial killer's victims. Also, Agent Knight goes undercover at a large manufacturing company with ties to the murders.

Gibbs and McGee head to Alaska while the team works at home to uncover the conspiracy behind the serial killer.

The NCIS team investigates the death of a Navy officer whose body suddenly explodes before Jimmy can examine it.

NCIS investigates the death of a beloved Navy commander who trained some of the top athletes in the country.

NCIS investigates the death of a man on a cruise ship whose body is discovered in the ship's sauna by none other than McGee's mother-in-law, Judy.

NCIS investigates the case of a Navy reservist whose body is found in a beat-up car at the end of a gun range.

When a hotshot financial advisor is found shot at a Naval station, NCIS investigates the case by interviewing the victim’s three-dimensional hologram of herself, which she created before her death.

NCIS is called in when Navy Chief Warrant Officer Rafi Nazar is suspected of trying to sell stolen classified Navy software used to pilot combat drones.

After a civilian research vessel in the North Atlantic picks up a small boat of wounded Navy officers, NCIS arrives on the ship and is forced to hide after discovering terrorists on board.

When the body of a Navy Lieutenant is discovered missing an eye, the NCIS investigation leads to the world of cage fighting.

While investigating the death of an intruder at Quantico, Jimmy and Kasie are exposed to a deadly biotoxin. The NCIS team calls on Dr. Carol Wilson for help as they race to find the antidote.

As NCIS investigates the cause of death of a reservist Navy SEAL surgeon, they're forced to bring Vance's daughter to help with a highly dangerous mission.

Parker's delinquent past resurfaces when NCIS is called to Philadelphia to investigate the death of a Petty Officer.

A gruesome mishap at a Petty Officer’s gender-reveal party leads NCIS to the case of a missing teacher that was popularized on a true crime podcast.

NCIS investigates the apparent suicide of a retired Navy officer who was in Palmer and Knight's grief group; Torres gets a call from NCIS Special Agent Jane Tennant to come to Hawai'i. The crossover continues on NCIS: Hawai'i S01E18 T'N'T (II).

When an infamous arms dealer, Reymundo Diaz, is released from prison and bodies start piling up, Torres is forced to face the repercussions of his actions during an undercover operation he worked on years ago.

NCIS investigates a ring of clever teenage partygoers when a string of break-ins takes place at Marine Base Quantico.

NCIS investigates the unexpected death of a Navy reservist who was an investigative journalist.

When Agent Parker is framed for murder, the team puts their jobs and lives on the line to buy time and uncover the truth.

Special Agent Alden Parker is still on the run with his ex-wife Vivian, so the team investigates who from his past might have a personal vendetta against him in hopes of clearing Parker's name. The crossover continues on NCIS: Hawai'i S02E01 Prisoners' Dilemma (II).

McGee’s personal life and professional life intersect when a dad from his children’s school is linked to a break-in at a government storage bunker.

When a dead body is found at an ancient burial site that is thought to be cursed, the team tries to determine the motive and the symbolism behind the crime.

Agent Knight's past resurfaces when her ex-boyfriend, a National Parks Service agent, teams up with NCIS to investigate a campsite murder.

Agent Parker steps up to protect Director Vance after a terrifying home invasion.

When an NCIS agent turns up dead and Kasie goes unaccounted for, the team must work quickly to find the killer.

NCIS must investigate the Secretary of the Navy when her husband claims she tried to murder him.

After an unknown shooter causes chaos at an annual Thanksgiving 5K, time is of the essence for the NCIS team to find the culprit.

NCIS investigates the death of a college student who was killed while running across the street and had connections to McGee’s wife, Delilah.

NCIS agents from Washington, D.C., Los Angeles and Hawai’i, all in D.C. to attend the retirement party of a beloved Federal Law Enforcement Training Center (FLETC) professor, find themselves jointly investigating his shocking suicide. The crossover continues on NCIS: Hawai'i S02E10 Deep Fake (II) and NCIS: Los Angeles S14E10 A Long Time Coming (III).

Parker discovers he's a victim of identity theft while investigating the unusual murder of a Navy ensign.

When an old pal of Torres’ comes to him, disheveled and bloodied for guidance amidst an undercover FBI operation and then disappears, NCIS helps track him down.

In preparation for a role, a world-renowned actress shadows the NCIS team as they investigate a decapitation case.

Parker grapples with his emotions when a conman from his past turns up as a prime suspect in the murder of a Navy officer transporting millions of dollars’ worth of opioids.

NCIS investigates the death of a ride-share driver who was found after a car accident.

The NCIS team jumps into motion to investigate who is responsible for a potential bioterror attack at a strip mall parking garage.

NCIS works to solve the murder of a Marine private who appears to have been killed for helping an Afghan refugee.

The NCIS team digs deep to investigate a Navy Lieutenant who’s accused of trying to murder her husband but has no memory of the attack.

Agent Knight goes viral for saving a mother and child from a potentially fatal car accident.

NCIS works to solve the murder of a senator’s daughter who has a rebellious reputation and large online following.

When a suspicious murder occurs in the classified section of the National Archive, NCIS must investigate a string of Russian spy encounters that may be linked to the crime.

Agent Torres finds himself in prison as the team tries to stop an impending terror attack on U.S. soil.

The NCIS team must help Torres when he puts his future at stake by confronting the man who tormented his family when he was a child.

As NCIS mourns the loss of Ducky, the agents find comfort in working on one of his unfinished cases involving a woman whose father was dishonorably discharged from the Marines.

When the NCIS team engages in Walk-a-Mile day to gain a new perspectives on different departments, things take a turn when Kasie receives a distress call from a mysterious man.

The NCIS team is in a race against time to find a missing officer who disappeared during his wedding proposal.

With the help of Knight's dad, NCIS works to unravel the mystery of a recently used service weapon belonging to a missing agent.

After discovering a Navy pilot's body riddled with unusual wounds, NCIS' investigation draws the team into the rabbit hole of UFO conspiracy theories.

NCIS comes under attack by a mysterious enemy from the past.

The NCIS team looks for a motive behind the kidnapping and death of a famous heart surgeon.

After discovering the remains of a Marine captain, the NCIS team travels to Texas to interrogate the suspected killer.

Parker and Knight discover three bodies on an old Navy ship that's about to be sunk and turned into an artificial reef, when they're suddenly locked inside by a mysterious figure.

NCIS searches for a missing undercover agent in the midst of an active hostage situation.

As Vance prepares to host diplomatic talks with Venezuela, the team is called in to investigate the dead body of one of his inside men.

NCIS is called in to investigate when a Lieutenant returns home on the eve of Halloween to find a surprise party being thrown for someone else at his place.

After receiving intelligence on deadly threats to multiple locations that could lead to a catastrophic war, NCIS is called in to try to neutralize the danger.

NCIS works with the CIA to discover what secrets are being kept by Captain Butler, an elderly former spy with dementia.

Things become tense when Knight is assigned to protect his wife after the home of a high-level defense contractor is attacked.

Torres receives intel from a confidential informant regarding top secret Naval information that's at risk of being sold.

NCIS investigates a murder related to a car that begins driving on its own.

When a shocking tell-all threatens to ruin Christmas for a decorated Marine, NCIS must uncover the truth and deliver a holiday miracle - before the book hits shelves and turns a hero's legacy into a holiday disaster.

After NCIS learns that the owner of Parker's favorite bakery is being blackmailed, they hatch a plan to save her from the perpetrators.

NCIS stages a fake wedding for two of its own in an attempt to take down the mob.

NCIS investigates the fatal poisoning of one of Kasie's forensic scientists.

NCIS investigates the case of a Navy Lieutenant found dead at a blood donation bank.

When Torres receives a text from Jimmy's daughter saying she has discovered a large sum of money near a Naval library, the team works together to investigate.

After a Navy Lieutenant's death reveals ties to Special Agent Sawyer, Torres and Knight uncover a murder linked to a wealthy family.

A girls' night out takes an unexpected turn when NCIS is called to investigate the motive of a possible arsonist.

After NCIS captures the hitman known as "The Poet," the team races to uncover who ordered the assassination of a Navy chief.

When a trio of combat vets are found murdered in a D.C. motel room, NCIS tracks down a suspect who refuses to talk to anyone but Sam Hanna.

McGee's career and credibility are on the line when he investigates the Deputy Director for corruption.

As NCIS investigates a dangerous connection between the Nexus cartel and Parker's longtime nemesis, mob boss Carla Marino, the team uncovers a high-stakes plot involving stolen nuclear material.

Reeling from his father’s murder, Parker goes to extreme lengths to hunt down the woman he holds responsible, mob boss Carla Marino, jeopardizing not only his own future but the team’s.

Parker’s pursuit of vengeance for his father’s murder could have deadly consequences, while his sister, Navy vice admiral Harriet Parker, faces an impossible choice.

When a petty officer’s death is connected to a blackmail investigation, the team is forced to work with Special Agent Sawyer on the case, which takes a terrifying turn for Torres. Meanwhile, Knight is offered an opportunity to train with NCIS Elite.

The team investigates a U.S. marine who is believed to have kidnapped a man's wife.

The cold case of a small-town death of a naval officer in the ‘90s is unexpectedly re-opened in the present day, sending the team on a manhunt for justice. The crossover starts on NCIS: Origins S02E05 Funny How Time Slips Away (I).

When McGee is kidnapped while promoting his latest book in the Deep Six crime series, the team investigates his self-professed “#1 fan” – and a potential link to a murder case involving stolen classified documents.

A kidnapped teen leads the team to a Navy SEAL who survived captivity by the Taliban but may have committed murder after returning home. Also, Jimmy finally shares his findings about the mysterious death of Parker’s mother with his boss.

When a man is shot by the Secret Service outside the vice president’s official residence, NCIS is aided in the case by a new member of the team: an AI chatbot being beta-tested by the Department of Justice.

McGee and Torres try to recover a stolen truck filled with toys for the Navy’s annual Christmas drive while the truth about Parker’s mother is finally revealed. Also, Knight is given her first NCIS: Elite mission, which involves tracking down a former member of the team.

On her first NCIS: Elite mission, Knight is given orders to hunt down and arrest Eleanor Bishop after the former member of the NCIS team is designated a wanted cyber-terrorist. In need of someone to trust, Bishop turns to Torres, and the two come face to face for the first time since she abruptly left nearly five years ago.

When a desperate man barricades himself inside an ammo warehouse, Knight is the only negotiator he’ll talk to, claiming she once saved him before. As explosives tick and trust frays, Knight clashes with the CID officer running the standoff, each convinced theirs is the only way out.

A murdered drone pilot leads the team to a missing woman from McGee’s past and a relationship he thought was long behind him. But as the case deepens, McGee realizes her reappearance could unravel more than an investigation, it could change the course of his life.

When the son of a Marine that Gibbs once helped comes to NCIS in desperation, the fractured team reunites off the books; chasing justice without a badge may cost them more than their careers.

Navy Week turns electric when a stolen squad car flips and reveals a sailor stabbed in the trunk; as D.C. spirals into chaos, the team chases a killer while carrying the weight of recent events.

A murder aboard a museum ship becomes a cryptic treasure hunt when a dying Navy captain leaves a final clue; to solve it, the team must decode what was worth killing -- and dying -- for.

S.O.S. A Navy lieutenant resurfaces a year after her plane vanished with a story that doesn’t quite add up. As the team peels back the mystery of a crash that was anything but accidental, every answer sparks a new twist.

With most of NCIS away and the mainframe shut down for a midnight upgrade, Kasie and a skeleton crew are left in a darkened building when someone begins hunting from inside. What starts as a routine reboot becomes a high-stakes game of cat and mouse through powerless hallways until an unexpected ally, Sam Hanna, steps into the fight.

The team races to help one of their own who has been framed for murder and caught in a widening conspiracy that could compromise national security.

As a secret immunity deal threatens to let a man walk free, Parker fights to keep the case alive. But when his estranged sister suddenly appears – and buried family wounds resurface – the battle for justice becomes deeply personal.

One year after a deadly coffee shop bombing, a new explosion proves the attack wasn’t the work of a lone wolf – a case that forces the team to confront legacy and loyalty.