Origins so far. And while it is exciting to see Harmon return to his role again, and even briefly on-screen in NCIS: O

Long running series 'NCIS' spawns another spin-off with 'NCIS: Origins,' which delves into Gibbs' early years.

This is a story I don’t tell. This is the story… of her.” With those few words from Mark Harmon’s narrator Gibbs, CBS’ NCIS: Origins (airing Mondays at 10/9c) raised millions of eyebrows and got people looking at the prequel spinoff n a new way.

Co-showrunner Gina Lucita Monreal confirms its plans for tackling Leroy Jethro Gibbs' revenge against Pedro Hernandez in NCIS: Origins.

NCIS: Origins premiered on CBS earlier this month, and the showrunners have already teased some major returns after the latest episode.