NCIS: ORIGINS was renewed for a second season in February, and showrunners David J. North and Gina Lucita Monreal just ...

Gibbs is known for his strong leadership, calm demeanor, and a unique set of personal rules that guide his decisions and actions. Often referenced throughout the series, these "Gibbs' Rules" offer ...

Leroy Jethro Gibbs (Mark Harmon) lived by his rules on NCIS. For 19 seasons, Gibbs spouted his guidance to his team of special agents, giving them a handbook to live and work by. The lead character ...

Despite his official departure in season 19, Gibbs' legacy has never truly left. His name still echoes in conversation, and his list of rules continues to serve as a compass to the team.

Gibbs' Rules are a part of NCIS, but Origins star Austin Stowell reveals the real-life rule he learned from "sage" Mark Harmon on the set of the prequel.

Before Gibbs leaves NCIS in season 19, it’s revealed that he has 91 rules. With NCIS: Origins dives into his past, it’ll need to address the mystery.

So there might be some edits to the rules coming up.” NCIS fans already know that rule 12 states that Gibbs should “never date a coworker.” ...

Already Gibbs has been told to grab his gear, and Episode 3 features his first elevator stop as well as a look at his well-known, handwritten “rules” (watch an exclusive sneak peek above).

Austin Stowell in “NCIS: Origins.” (Sonja Flemming/CBS) “NCIS” has so thoroughly perfected its formula that “Origins” dares not move even a step off the well-trodden path.