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.

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Mark Harmon

Sean Murray

Michael Weatherly

Cote De Pablo

David McCallum

Pauley Perrette

Lauren Holly

Dennis Smith

David J. North

Brothers in Arms

Grace Period

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.

Shalom

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.

Escaped

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.

Singled Out

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.

Faking It

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.

Dead and Unburied

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.

Witch Hunt

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.

Sandblast

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.

Once a Hero

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.

Twisted Sister

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.

Smoked

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.

Driven

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.

Suspicion

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.

Sharif Returns

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.

Blowback

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.

Friends and Lovers

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.

Dead Man Walking

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.

Skeletons

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.

Iceman

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.

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.

In the Dark

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.

Trojan Horse

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.

Angel of Death

From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has any connection to Navy and Marine Corps personnel, regardless of rank or position.

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Seasons24

Season 4 Episodes24

Cast7

Crew2

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Episode Summary