As one of the major focal points of the franchise, Leroy Jethro Gibbs (Mark Harmon) returning to NCIS in NCIS: Origins season 3 means it’s time to brush up on the lore surrounding the character. While Gibbs has long been one of the most important pieces of the NCIS world, he hasn’t been a part of the show consistently since NCIS season 19. After Gibbs’ departure, things shifted for NCIS as a franchise, and the flagship series went through some cast changes that have helped push into its current era. With Harmon returning on NCIS: Origins, things are changing again.
10 NCIS Episodes To Watch In Preparation For Mark Harmon’s Comeback As Leroy Jethro Gibbs
