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" ...

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 ...

M ark Harmon's departure as Leroy Jethro Gibbs in Season 19 of NCIS has been a letdown for the show's fans. Since its debut ...

“I would say that at this point, this pertains more to Gibbs than to me, that I’ve got some very trusty voices in my head right now — one of them being Mark Harmon, who’s been a sage to me ...

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

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

Sydney. The network confirmed on Thursday, January 16, that NCIS: Sydney's return has been postponed by a week. NCIS: Sydney ...

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 ...

And so when Austin Stowell, who plays the young Gibbs, came into TV Insider’s office during the first half of the season, we had to find out whether some of those rules more so apply to him or ...