'NCIS' - 09/24/2019 (Photo Gallery)

In the episode entitled "Out Of The Darkness," Ziva surprises Gibbs with a cryptic warning, prompting him to question why she remained underground for years while being presumed dead by family and friends, and what lead to her return, on the 17th season premiere of NCIS. (All photos courtesy Michael Yarish/CBS)



Emily Wickersham as Special Agent Eleanor "Ellie" Bishop, Sean Murray as Special Agent Timothy McGee



Emily Wickersham as Special Agent Eleanor "Ellie" Bishop



Brian Dietzen as Dr. Jimmy Palmer, Diona Reasonover as Forensic Scientist Kasie Hines



Diona Reasonover as Forensic Scientist Kasie Hines



Maria Bello as Special Agent Jacqueline "Jack" Sloane



Brian Dietzen as Dr. Jimmy Palmer



Rocky Carroll as NCIS Director Leon Vance



Diona Reasonover as Forensic Scientist Kasie Hines, Brian Dietzen as Dr. Jimmy Palmer



Sean Murray as Special Agent Timothy McGee



Wilmer Valderrama as Special Agent Nickolas "Nick" Torres



Sean Murray as Special Agent Timothy Mcgee



Emily Wickersham as Special Agent Eleanor "Ellie" Bishop



Wilmer Valderrama as Special Agent Nickolas "Nick" Torres



Sean Murray as Special Agent Timothy Mcgee



Cote de Pablo as Ziva David, Mark Harmon as Special Agent Leroy Jethro Gibbs



Mark Harmon as Special Agent Leroy Jethro Gibbs



Cote de Pablo as Ziva David