"NCIS: Origins" to look back at formative years of Leroy Jethro Gibbs

Leroy Jethro Gibbs

Leroy Jethro Gibbs

NCIS: ORIGIN Cast Real Age & Life Partners

Leroy Jethro Gibbs Family Storyline || Eternity ||

Michael Weatherly: "I learned a lot from Mark Harmon"

NCIS: Origins | Austin Stowell on Lala Theories, Flashbacks, Fornell

We Finally Understand Gibbs' Entire NCIS Backstory

Mark Harmon Teams Up With Real-Life NCIS Agent For New Book 'Ghosts of Honolulu'

Lala & Gibbs: Best Moments from NCIS Origins Season 1 ❤️

NCIS | Gibbs, Shannon & Kelly || So Cold

NCIS (2003) Cast: Then and Now [21 Years After]

NCIS: Origins Could Explain Long Running Gibbs Joke

NCIS: Origins brings a young Jethro Gibbs to life

NCIS 300th Episode Celebrations

NCIS: Origins Showrunner on Season 2 Lala Fate, Casting Austin Stowell as Gibbs, More

Gibbs & Ziva / NCIS

NCIS Behind The Scenes Part 3 Final Part

NCIS Origins

Jethro Gibbs | i can't breathe | NCIS [season 16]

Mark Harmon Talks New ‘Ghosts of Panama’ Book, NCIS, UCLA & More with Rich Eisen | Full Interview