The NCIS-NCIS: ORIGINS crossover event just got extremely exciting as showrunners David J. North and Gina Lucita Monreal announced Mark Harmon will reprise his role as Gibbs.

Mark Harmon may be making a return to the acting world. A new article from the National Examiner says the actor is “bored” with his semi-retirement, which is why he is soon to appear on a new episode ...

Mark Harmon is “bored” with his semi-retirement, a source tells Examiner. The actor, 74, recently guest-starred on a ...

NCIS Season 23 Episode 5 titled 'Now and Then' will air on CBS on November 11, 2025, at 9 p.m. ET. A day later, you can also stream the episode on Paramount+, CBS' official streaming partner.

The upcoming NCIS and NCIS: Origins crossover brings Mark Harmon back onscreen as Leroy Jethro Gibbs, though his presence ...

With a Paramount+ subscription, fans can check out various shows from the world of NCIS. The Essential plan runs for $7.99 a ...

Mark Harmon wore a special detail in a glimpse of his return as Special Agent Leroy Jethro Gibbs for NCIS: Origins ...