The NCIS franchise added a wild new piece of lore to Leroy Jethro Gibbs' expansive story, making a profound and needed ...

NCIS: Origins fall finale gives fans a big surprise about Gibbs and Diane. The episode finally explains how Gibbs and Diane ...

Its fall finale brought another historic moment for NCIS Season 23, bringing the biggest mystery since Leory Jethro Gibbs' ...

In NCIS: Origins Season 2 episode 8, we learn that Gibbs ends up marrying Diane Sterling during a fast, impulsive trip to Las ...

"NCIS" legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series "NCIS: Origins," and he's not coming alone. Harmon, 74, will make a rare guest appearance on "Origins" ...

Spoiler alert: This story includes plot details from the April 28 "NCIS: Origins" season finale. The "NCIS: Origins" love story between young Leroy Jethro Gibbs (Austin Stowell) and Cecilia "Lala" ...

“NCIS” legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series “NCIS: Origins,” and he’s not coming alone. Harmon, 74, will make a rare guest appearance on “Origins” ...

Marisa is a Senior News Author for Collider. She graduated from Western Kentucky University in 2018 after majoring in Creative Writing with a minor in Folk Studies. She grew up in Kentucky and ...

Lenny Burnham grew up in Missoula, Montana. From an early age, he was obsessed with TV and loved creating websites and participating in fan forums for Buffy the Vampire Slayer. He attended New York ...

Daddy's home! Mark Harmon, who played Leroy Jethro Gibbs for 19 seasons on "NCIS," will reprise his role in an upcoming Season 2 episode of CBS' prequel series "NCIS: Origins," TVLine has learned.

Leroy Gibbs' personal rules are part of the fabric of NCIS, and Rule 45, in particular, has directly informed lots of stories ...