[s17e10] The North Pole May 2026

: It is confirmed that Tony DiNozzo has known Ziva was alive for some time, having tracked her down in Cairo shortly after his departure from the team.

: The episode ends on a somber note as Gibbs is forced to kill Sarah (the real Sahar) to save Ziva. This leaves Gibbs with the heartbreaking task of telling Phineas that his mother—the woman Gibbs had come to trust—was a terrorist. Episode Details Air Date : December 17, 2019. Directed by : James Whitmore Jr.. [S17E10] The North Pole

The core conflict revolves around Ziva's attempt to neutralize the terrorist threat posed by . While the team previously believed Sahar had been eliminated, "The North Pole" reveals that the woman killed earlier in the season was merely a decoy. : It is confirmed that Tony DiNozzo has

The episode provides critical answers to long-standing fan questions while setting up future storylines: Episode Details Air Date : December 17, 2019

: In a shocking revelation, the real Sahar is revealed to be Sarah , Gibbs' neighbor and the mother of his young friend, Phineas.

: Mark Harmon, Cote de Pablo, Emily Wickersham, Wilmer Valderrama, and Jack Fisher as Phineas.