After spending months tracking down his target, Tony is left with the blood of an NCIS agent on his hands and it's up to Gibbs to help him put the pieces of the puzzle together.
The NCIS team uncovers a startling surprise after a young Marine shows up to his homecoming party with a fatal stab wound.
The NCIS team searches for the person and motive behind a contract killer targeting a Navy Lieutenant Commander. Meanwhile, Abby uncovers new information about her family after undergoing tests for a kidney donation.
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.
An NCIS case changes from accidental death to murder when evidence reveals that a Navy lieutenant died of forced over-hydration. Meanwhile, Gibbs meets Ducky’s new love interest.
The NCIS team searches for answers when the current husband of both Gibbs’s 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. Meanwhile, Tony reveals his deepest fears and Gibbs is forced to relive events from his past
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. Meanwhile, Tony is sidelined for this case and must go against orders to try and prove his father’s innocence.
When a Navy captain is killed in a hotel room, NCIS must track down and protect his very pregnant companion from unknown assailants. Meanwhile, Jimmy has problems of his own when he brings his future father-in-law to work.
Co-Guest Stars: Marc Aden
as Navy Captain Jake Marsden | Marc Aden
as Navy Captain Jake Marsden
The investigation into the murder of a Navy Commander leads the NCIS team to E.J. Barrett’s whereabouts.
When a high-level security Navy reservist is found dead, Gibbs goes face-to-face with Dr. Samantha Ryan of the PsyOps Division to uncover the truth behind the potential suicide. Meanwhile, DiNozzo argues with accounting after seeing McGee's paycheck.
Director Vance’s brother-in-law is the lead suspect when Gibbs and the NCIS team investigate the murder of a petty officer.
The NCIS investigation of a fire on a Navy vessel reveals evidence that elevates security at all U.S. Navy facilities worldwide. Meanwhile, DiNozzo and Ziva travel to Italy when an explosive device is found hidden on a Navy ship.
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. Meanwhile, the festivities for Jimmy Palmer’s upcoming wedding continue with the bachelor party.
Terrorism threatens to shake the foundations of the Navy and NCIS, when the team continues to be eluded by the newest member of the NCIS Most Wanted Wall. Meanwhile, Jimmy Palmer's destination wedding is impacted by the case.