EXCLUSIVE: CBS’ NCIS: Origins is heading to the ’90s with the return of Mark Harmon as Leroy Jethro Gibbs for a season-long ...

CBS gave fans their first real look this week at just how big Mark Harmon's Season 3 return to NCIS: ORIGINS will be. The ...

With Harmon back in the fold in front of the camera, there's already a lot to look forward to in NCIS: Origins Season 3. We ...

Five years after he left NCIS, Mark Harmon returns as Leroy Jethro Gibbs for a special season-long, 10-episode arc on prequel ...

Mark Harmon returns as Gibbs throughout NCIS: Origins Season 3, with his Alaska retirement disrupted by a mystery tied to his ...

Origins Season 3. Seasoned fans were delighted to learn that Harmon will finally be returning as Leroy Jethro Gibbs in the ...

Mark Harmon last appeared as the character in a November 2025 episode of the prequel series CBS Mark Harmon's Gibbs is getting more screen time. CBS announced Tuesday, June 30, that the NCIS alum, 74, ...

Mark Harmon will take on a significantly larger on-screen role in Season 3 of NCIS: Origins, reprising Leroy Jethro Gibbs ...

'He created the DNA of how our show was going to run,' said Brian Dietzen.

Gibbs will appear in all 10 episodes of NCIS: Origins Season 3 as part of a present-day, season-long mystery tied to his days at Camp Pendleton in the 1990s. Details about that action-packed mystery ...

Never let it be said that Donald Bellisario was incapable of changing his mind — his original vision for Gibbs was quite a ...

From St Elsewhere to Chicago Hope, and most famously as Leroy Jethro Gibbs on NCIS, audiences have been watching Mark Harmon ...