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

NCIS Season 23 Episode 4 is titled Gone Girls and it will air on November 4 on CBS.

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 ...

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

For 18 seasons (and four season 19 episodes), Mark Harmon starred as former U.S. Marine Corps scout sniper–turned–special agent Leroy Jethro Gibbs. "What has always drawn me here is the character I ...

The NCIS franchise keeps growing, but even as it does, some of its shows do say goodbye. The mothership, however, isn’t going anywhere anytime soon. It is, however, moving days and times in fall 2025 ...

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