Mark Harmon, who played Special Agent Leroy Jethro Gibbs on NCIS for nearly two decades, left the show during Season 19. His departure was not due to any controversy or conflict but rather a mutual decision between him and the show’s producers. Harmon had expressed a desire to step back from the demanding schedule, and his character was given a respectful exit. In his final episode, Gibbs chose to stay in Alaska, signaling a peaceful retirement from his long career in law enforcement.

Despite his departure from the main cast, Harmon remained involved with NCIS as an executive producer. His continued connection to the show allows for the possibility of a return, even if only for a guest appearance. Showrunner Steven D. Binder has stated that the door remains open for Gibbs, keeping fans hopeful for a future cameo. Harmon’s departure marked a major shift for the series, but the show has continued with new leadership and cast members.

There were rumors that behind-the-scenes tensions played a role in his exit, particularly regarding his reported conflicts with co-star Pauley Perrette. However, no official statements confirm that these issues led to his departure. Ultimately, Harmon left on good terms, wanting to explore new opportunities while giving his character a well-deserved send-off. NCIS continues to evolve, but Gibbs’ legacy remains a crucial part of the show’s identity.