Watch the extended promo for the first crossover event between NCIS and NCIS: Origins, featuring Mark Harmon's return as ...

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.

TVLine is bringing you an exclusive first look of NCIS star Mark Harmon's appearance as Gibbs in Tuesday's NCIS: Origins ...

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

NCIS: Origins Season 2, Episode 4, " No Man Left Behind, " proves that Gibbs and Lala would be great together in the show's ...

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 ...

Harmon will return in the flesh for a special crossover event on Tuesday, Nov. 11. For one night only, “NCIS” and “NCIS: ...

Executive producers from both shows preview the event, explain the challenges of crafting such a unique crossover, and share ...

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

Mark Harmon is returning to the NCIS universe and he won't be alone! CBS and the beloved actor dropped all the details.

Mark Harmon, who spent 18 seasons on "NCIS," is reprising his role as special agent Leroy Jethro Gibbs for a crossover event.

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.