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

Warning: SPOILERS for the NCIS: Origins two-part premiere “Enter Sandman” are ahead!

The blue eyes have it. How Austin Stowell overcame "Star Wars"-sized setbacks to become young Leroy Jethro Gibbs on "NCIS: ...

Mark Harmon has officially made his semi-return to the NCIS franchise with NCIS: Origins, a prequel series centering around ...

Sean played a Young Gibbs on NCIS during flashback scenes, and many fans thought he was great in the role. He seemed like the ...

It was just an unexpected surge of emotion for us both,' co-showrunner Gina Lucita Monreal says of seeing Harmon dressed as ...

Mark Harmon played Gibbs on NCIS; Austin Stowell now plays the younger Gibbs on NCIS: Origins. Sean Harmon (Mark’s son) used to play Gibbs in NCIS flashbacks, but he now serves as an executive ...

Rocky Carroll has been on NCIS for so long, one wouldn’t be faulted for forgetting he hasn’t been there since the beginning.

NCIS: Origins has premiered on CBS, and Mark Harmon’s role in the first episode has been revealed. It was previously reported ...

Harmon, perhaps best known for playing Special Agent Leroy Jethro Gibbs on the CBS drama NCIS for nearly two decades, is ...

Mark Harmon transitions from his iconic role as Leroy Jethro Gibbs to executive producer and narrator of "NCIS: Origins," a ...