Mark Harmon's Special Agent Leroy Jethro Gibbs left NCIS in season 19, but his legacy - and his 91 rules - still live on.

NCIS: Origins gets to the bottom of Gibbs' involvement in Pedro Hernandez's murder and connects back to the Sandman case.

Packing up his family photos in his house, future love steps in. Gibbs meets his red-headed real estate agent, Diane ...

Nothing at the NIS will ever be the same again after one pivotal character's tragic death. Read the NCIS: Origins Season 1 ...

Origins" finale, Gibbs and the NIS team face their biggest threat yet until tragedy strikes leaving us with a cliffhanger ...

Austin Stowell was shocked by the ending of the NCIS: Origins Season 1 finale, just like fans are sure to be — and he found out about its events a bit later than you might expect. Please log in, or ...

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. NCIS, itself a spinoff (of JAG), has been ...

This is the story of…her,” was the intriguing promise made by Leroy Jethro Gibbs (Mark Harmon) in the premiere of this NCIS prequel about the life of young Gibbs’ (Austin Stowell ...