Throughout Mark Harmon ’s run on the first 19 seasons of NCIS, the show would occasionally throw out a Gibbs Rule. Those are ...

Along with the late David McCallum, Mark Harmon is arguably the actor who's most commonly associated with the "NCIS" ...

The 73-year-old actor played special agent Leroy Jethro Gibbs on the hit CBS show for almost 20 years before leaving in 2021 ...

Rule 4 — “The best way to keep a secret: Keep it to yourself. Second best: Tell one person—if you must. There is no third ...

You know these stars as members of the Naval Criminal Investigative Service, who spend their time investigating crimes ...

“My wife believed we all should have a code to live by, a set of rules,” Mark Harmon says in a voiceover on NCIS: Origins. “And I believed in her. So for years, I wrote my own rules down on ...

CBS has pushed back the season 2 premiere of NCIS: Sydney. The network confirmed on Thursday, January 16, that NCIS: Sydney ...

NCIS is flatlining in the ratings, and after CBS canceled some of the spinoffs, there's a good chance it will end soon.

CBS quietly ignores a potential NCIS spinoff featuring a character with deep history with Mark Harmon's Gibbs, leaving fans puzzled and curious.

NCIS is a procedural drama that follows a team of investigators in the U.S. Navy and Marine Corps. Here's where you can watch ...

Mark Harmon had one NCIS co-star he truly admired, praising their talent and unique presence in a rare moment of genuine ...