Gibbs is well known for his rules throughout his time on NCIS, however there are 10 rules that stick out as being the best ...

CBS has officially ordered an NCIS prequel show following Leroy Jethro Gibbs, and Mark Harmon is involved with the production.

If NCIS‘ Leroy Jethro Gibbs is resurfacing for any sort of sendoff for Dr. Donald “Ducky” Mallard — played by late cast member David McCallum — no one has notified series vet Mark Harmon ...

NCIS: Origins stars Austin Stowell and Mariel Molino discuss stepping into this prequel series based on the US crime ...

Does a weekly procedural need lore? No. No it doesn’t not. But lore you will be served. The “NCIS” spinoff set in 1991 about young Gibbs functions as one long flashback ...

Leroy Jethro Gibbs is definitely an interesting name, and now an iconic one. Harmon told ET that when the show was still in development, he not only loved the script but his character’s name.

Leroy Jethro Gibbs can be a smooth operator when he wants to be on NCIS. But if anyone has ever wondered if Gibbs has rizz, a new clip shared online answers that question.

Casting Austin Stowell as Mark Harmon's Leroy Jethro Gibbs was part of the "NCIS: Origins" casting puzzle. See young Mike Franks and Vera Strickland.

And Leroy Jethro Gibbs serves as the main character. CBS has ordered a new prequel series called NCIS: Origins. The new show comes from Mark Harmon, breathing new life into the franchise.

CBS is expanding the 'NCIS'-verse with a prequel series focused on the exploits of a younger agent Leroy Jethro Gibbs. Mark Harmon will narrate.

If NCIS‘ Leroy Jethro Gibbs is resurfacing for any sort of sendoff for Dr. Donald “Ducky” Mallard — played by late cast member David McCallum — no one has notified series vet Mark Harmon ...