After Ari's death, she asks to be assigned as a liaison for Mossad at NCIS, where she subsequently joins Special Agent Gibbs' team in the episode "Silver War", permanently replacing the deceased Agent Todd.
Her early storylines center on her integration and attempts to be accepted by the other characters.
She replaced Caitlin "Kate" Todd (Sasha Alexander), who was killed at the hands of Ziva's half-brother, Ari Haswari (Rudolf Martin), in the season 2 finale.
Following the onscreen death of the character's father in season 10, Gabi Coccio recurrently portrayed a young Ziva in flashbacks.
is a fictional character from the CBS television series NCIS, portrayed by Chilean-born American actress Cote de Pablo.
Ziva first appeared in the season 3 premiere episode, "Kill Ari (Part 1)", and became a regular cast member from the episode "Silver War".
During her time at Mossad, Ziva was part of a special operations unit known as Kidon, which is part of the Metsada (which is now code-named Komemiute).