Understanding all of Gibbs' rules in NCIS and what they mean is essential to knowing Leroy Jethro Gibbs. Mark Harmon played ...

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

As NCIS fans know, Leroy Jethro Gibbs has a set of rules. And they’re very much part of his story in the prequel. “My wife believed we all should have a code to live by, a set of rules ...