Mark Harmon returns as Leroy Jethro Gibbs in the highly anticipated NCIS and NCIS: Origins crossover event airing November 11, 2025. The two-hour special connects Gibbs’ past and present as both teams ...

I'm not sure just how many NCIS fans expected Harmon to reprise his famous character, during which he'll appear in the ...

CBS announced that Mark Harmon will reprise his role as Leroy Jethro Gibbs in an upcoming guest appearance on 'NCIS' and ...

Mark Harmon is set to return to the NCIS universe in a special crossover event uniting NCIS and NCIS: Origins. The upcoming ...

NCIS alum Mark Harmon is set to return to the long-running CBS series for a special crossover event between the procedural ...

When Mark Harmon departed NCIS in 2021, it took three years before he returned onscreen as his fan-favorite character, Leroy ...

NCIS” legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series “NCIS: Origins,” and he’s not ...

Harmon, 74, will make a rare guest appearance on "Origins" as Gibbs, the character he played for 18 "NCIS" seasons, during ...

'NCIS' executive producer Charles Floyd Johnson admitted Harmon, who played Agent Leroy Jethro Gibbs, "stayed on longer" than the actor intended Stephanie Wenger is a TV Writer/Reporter at PEOPLE. She ...

Say goodbye to Jethro Gibbs. Mark Harmon departed “NCIS” after 18-plus seasons in Monday night’s episode as Gibbs retired to Alaska after working a case there with Special Agent Timothy McGee (Sean ...

Monday night was a sad one for fans of Special Agent Leroy Jethro Gibbs on “NCIS.” After more than 18 seasons Mark Harmon has left the show. Monday’s episode, titled “Great Wide Open,” served as his ...