"NCIS" has been delighting TV viewers for over two decades. The show began all the way back in 2003, and though many "NCIS" actors have left the series, the fans don't miss any of them quite as much ...

Any "NCIS" fan worth their salt knows that Supervisory Special Agent Leroy Jethro Gibbs (Mark Harmon) abides by a strict set of principles when it comes to solving cases. From "never mess with a ...