[s17e10] The North Pole -

The episode provides critical answers to long-standing fan questions while setting up future storylines:

: The mission results in the death of Ziva's longtime friend and contact, Adam Eshel , who is found badly beaten and eventually dies from his injuries. Before passing, Adam provides a cryptic clue that leads Gibbs to the truth about Sarah's identity. Character Relevations & Arcs [S17E10] The North Pole

: 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.. The episode provides critical answers to long-standing fan