NCIS is a popular American television series that centers on a team of special Naval Criminal Investigative Service agents.

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 ...

His attempt at doing the right thing came at a personal cost, isolating him from parts of the agency and putting his career at risk, but he did it to uphold Gibbs’ code. The rules in NCIS serve ...

Mark Harmon's Special Agent Leroy Jethro Gibbs left NCIS in season 19, but his legacy - and his 91 rules - still live on.

The "NCIS: Origins" love story between young Leroy Jethro Gibbs (Austin Stowell) and Cecilia "Lala" Dominguez (Mariel Molino) might be tragically over, even before the first kiss. The "NCIS ...

NCIS: Origins is a prequel series to the original NCIS. Set in 1991, the series focuses on the early life of Leroy Jethro Gibbs, in his first posting at the Naval Investigative Service (NIS ...

The NCIS: Origins season 1 finale seemingly killed a main character, introduced a new character from Gibbs' future and potentially ... we don't really have to abide by the rules we're used to.