Origins season 2, episode 3, "Bend, Don't Break" In a clever twist, some of Austin Stowells worst traits as the young Gibbs character in NCIS: Origins became Mark Harmons best traits in the flagship series.

Some people who have been watching NCIS since its inception feel that they already know the backstory for its lead character Special Agent Leroy Jethro Gibbs (Mark Harmon), so they feel as if there’s no need for the prequel,

One of the most iconic aspects of Leroy Jethro Gibbs ( Mark Harmon) from the original NCIS was him stopping the elevator. It doesn’t take long for the prequel, NCIS: Origins, to have Austin Stowell ‘s younger version, to do that for the first time.