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…

The lead suspect in an NCIS murder investigation is a woman Gibbs’ friend, Phillip Brooks, met on a dating site. Also, Sloane has a secret admirer on Valentine’s Day.

NCIS investigates Marine Corporal Laney Alimonte after evidence suggests she murdered her neighbor while being treated for insomnia by a hypnotherapist. Also, Gibbs befriends his new neighbors after the 9-year-old’s…

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.

A convicted felon claims NCIS framed him for murder a decade ago, so Gibbs investigates and asks Ducky to conduct a new autopsy. Meanwhile, Senior FBI agent Fornell joins the…

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

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. Meanwhile, Ziva…

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

In order to locate Arkady in Russia, the NCIS team goes undercover with his daughter, Anna, at a gala in Los Angeles to gain access to the Russian Consul General’s…

NCIS Special Agent DiNozzo partners with the NCIS: Los Angeles team to search the city after his prisoner escapes custody on a flight from Singapore to Los Angeles.

When a gang identifies and executes an undercover agent, the team must locate a mole before other agents are put in danger.

The team must alert Homeland Security when they uncover a threat to a Los Angeles-based train during a murder investigation.

A theory is presented that Sir Francis Drake is buried on Oak Island in a vault with gold treasure. It is suggested that the lack of any records documenting Drake…

When Matty’s goddaughter and her boyfriend are killed in a San Francisco park, Mac and the team investigate the crime and start to suspect that the 1970s Zodiac Killer has…