Spoiler Alert for NCIS: Origins season 1, episode 4, “All’s Not Lost”While NCIS: Origins is meant to feature the early beginnings of Austin Stowell’s Leroy Jethro Gibbs, it also has an important role for Mark Harmon’s Gibbs, which causes a significant problem. NCIS: Origins is set in 1991, shortly after Gibbs lost his first wife and daughter, and their death has played a significant role in shaping Gibbs’ mental state and personality through the NCIS spinoff. Despite the setting, Harmon also appears briefly throughout the show as he adds emotional context to heavy scenes.