Mark Harmon is coming back as Gibbs through all of Season 3 of "NCIS: Origins." How will that work? "You'll see," Harmon says.

NCIS: Origins has set Mark Harmon to return as Special Agent Leroy Jethro Gibbs for season three.

Mark Harmon is going to be in every episode of the prequel's third season.

Origins cast is getting back to work, with Season 3 set to premiere on CBS this fall. Mariel Molino shared her reaction — ...

Leroy Jethro Gibbs may have been retired from MCRT for a while now, but the oldest mystery about the character in NCIS has just been resolved.

Mark Harmon is once again going to play Leroy Jethro Gibbs on the small screen. Variety has learned that Harmon will play the iconic character in a season-long arc of the upcoming third season of ...

Mark Harmon last appeared as the character in a November 2025 episode of the prequel series ...

The long-time franchise lead also narrates the prequel series and is an executive producer.

Mark Harmon’s Leroy Jethro Gibbs is returning on-screen for every episode of NCIS: ORIGINS Season 3, but his Alaska chapter ...

Ahead of the "NCIS" and "NCIS: Origins" crossover event on Nov. 11, 2025, fans had one question in mind: Would Mark Harmon's Gibbs share a scene with present-day Lala? Heading into the episode, all we ...

Rachel LaBonte is an entertainment writer and Rotten Tomatoes–approved critic specializing in film and television. She previously served as a Senior Writer and Editor on Screen Rant’s Core News Team, ...