

The story Gibbs never told.
In 1991, years prior to the events of NCIS, Leroy Jethro Gibbs starts his career as a newly minted special agent at the fledgling NCIS Camp Pendleton office, where he forges his place on a gritty, ragtag team led by NCIS legend Mike Franks.
In the United States
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All options, opens in a new tabSeason 3, 10 episodes
Based on
Based on NCIS
Episodes
3 seasons and 46 episodes so far