When it's discovered the Secretary of the Navy was bugged during a confidential briefing, the NCIS team must work with NSA Analyst Ellie Bishop to help determine who is responsible.
The latest NCIS investigation returns DiNozzo to his Baltimore P.D. days when he chases a felony suspect from a 15-year-old case.
The murder of a woman impersonating a deceased soldier leads Gibbs to an Afghan women's shelter formerly championed by Mike Franks.
The NCIS team utilizes Twitter to help solve a case, and McGee agonizes over his lost badge.
As Gibbs and the team search for a terrorist ring stateside, Tony travels to Israel with the mission of finding Ziva.
Following an explosion at a D.C. black-tie affair, Parsons assumes a new role within the NCIS agency, while Gibbs' team remains down three agents.
An investigation into a marine's car accident prompts emotional childhood memories for Abby.
The NCIS team investigates the cause of a mysterious death involving a NCIS armory employee that was found four months after the Navy Yard bombings. Meanwhile, the team has to undergo mandatory psych evaluations, causing Gibbs to worry about Abby.moreless
The NCIS team investigates a fire on a U.S. Navy ship which leads them to a revelation that threatens the security of all U.S. Navy facilities worldwide. Meanwhile, Tony and Ziva travel to Italy to investigate an explosive device that was found on a Navy ship.moreless
Tony faces a boy from his past when missing classified Navy documents are found after a warehouse fire, prompting the NCIS team to join the Baltimore police department investigation.
The team must investigate the apparent suicide of a Navy reservist with a high security clearance. Suicide is the apparent cause of his death, but is it the right one? Gibbs and Dr. Samantha Ryan of the PsyOps Division race to solve the mystery of the Navy reservist's death.moreless
While stopping by his usual diner for coffee, Gibbs finds himself in grave danger, prompting him to think about his past and the choices he made in his life.
The NCIS team investigates the murder of a Navy lieutenant commander while dealing with her distraught husband. Meanwhile, Ziva ponders the future when Ray returns.
While investigating the murder of a Navy Commander, the NCIS team finds out the whereabouts of Agent E.J. Barrett.
To help the team find a murderer, Nell puts her smarts to work when she goes undercover to replace a murdered DOD researcher. The new NCIS Assistant Director questions Hetty's leadership abilities.
After a Navy Captain is murdered in his hotel room, the NCIS team has to find his pregnant companion and protect her from unknown assailants. Meanwhile, Jimmy brings his future father-in-law to work.moreless
When Tony's father is found inside a car with a dead body in the trunk, the NCIS team has to find out if he is indeed guilty of murder, while the man himself has no memory of the night, and Tony is removed from the investigation but attempts to help prove that his father is innocent.moreless
The search into the disappearance of a Marine Lieutenant continues as the NCIS team tracks them down to Afghanistan. Meanwhile, Tony's deepest fear resurfaces and Gibbs has to go through memories of his past again.moreless
While investigating a crash of a military plane that was transporting caskets, the NCIS team comes upon a discrepancy with the DNA remains.
When the husband of Gibbs' and Fornell's ex-wife is kidnapped, the NCIS team partners up with the FBI to investigate.
The NCIS team investigates the death of a Navy lieutenant that died of over-hydration, which soon turns into a murder investigation. Meanwhile, Gibbs meets Ducky's new lady.
While investigating the murder of a coast guard officer aboard an abandoned cargo vessel, the NCIS team finds a Lebanese family seeking refuge in the US. Meanwhile, Tony and McGee attempt to find the perfect woman for Gibbs.moreless
When a contract killer murders a Navy Lieutenant Commander, the NCIS has to find out the motive behind it, and Abby learns valuable information about the case after going through a series of kidney donation tests.moreless
The NCIS team has a surprise in store for them when investigating the murder of a Navy lieutenant leads them to McGee's grandmother.
The NCIS team investigates the death of a young Marine that came to his homecoming party with a stab wound.
Gibbs and the NCIS team have to find answers regarding Tony's months-long assignment when an NCIS agent is found dead.