Ziva has a tense reunion with her father, the head of Mossad; Gibbs is forced to make a shocking decision.

Gibbs and the team must work with ICE and FBI agents when a security breach results in the death of an ICE agent; Tony... Full summary

Tony questions Ziva's loyalty to NCIS; Special Agent Callen (Chris O'Donnell) goes under cover; Nate Getz (Peter... Full summary

The murder of a Marine brings McGee and Gibbs to Los Angeles for a joint investigation with the NCIS office of special... Full summary

When Abby is asked to take over for a government scientist who has gone missing, the team fears that she will meet the... Full summary

Gibbs reluctantly works with Trent Kort (David Dayan Fisher) to put away one of the department's most wanted... Full summary

A military family comes under suspicion when a boy finds a murder weapon and the team must track ownership of the gun.

A boxer's death leads to Vance starting his own investigation; Gibbs looks into Vance's past.

When an agent is gunned down, Gibbs and Tony try to locate a woman in the desert who might have answers about his... Full summary

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