Leroy Jethro Gibbs has a strict set of rules that he lives by in "NCIS." The prequel series "NCIS: Origins" just revealed the ...

Harmon reprised his role of Leroy Jethro Gibbs during the 'NCIS' crossover event Warning: Spoilers ahead for NCIS: Origins!

Mark Harmon stepped back into Leroy Jethro Gibbs’ shoes during Tuesday’s NCIS and NCIS: Origins crossover event, giving ...

Contains spoilers for "NCIS: Origins" Season 2, Episode 5 -- "Funny How Time Slips Away" ...

Harmon’s return to the NCIS universe comes years after his exit.

As the crossover unfolds, viewers will be revisiting Gibbs’s life in Alaska, a setting that has become synonymous with his character since Harmon exited as a series regular in Season 19. The storyline ...

Harmon, 74, will make a rare guest appearance on "Origins" as Gibbs, the character he played for 18 "NCIS" seasons, during the first crossover event between the two CBS dramas on Veteran's Day, Nov.

(CBS) - Mark Harmon will make a special guest appearance as Leroy Jethro Gibbs on NCIS: Origins on Nov. 11. Harmon played ...

Brace up, NCIS fans, it is going to get intense! The long-awaited crossover between NCIS and its prequel, NCIS: Origins, is ...

Mark Harmon will reprise his iconic Leroy Jethro Gibbs role in the flagship series. His return will be featured in a special (and first-ever) crossover event between NCIS: Origins Season 2 and the ...

NCIS” legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series “NCIS: Origins,” and he’s not coming alone. Harmon, 74, will make a rare guest appearance on “Origins” as ...

NCIS' star Mark Harmon is reprising the role of Leroy Jethro Gibbs in an upcoming Veteran's day crossover episode of 'NCIS: Origins.' ...