| NCIS | |
|---|---|
| Season 19 | |
 Season 19 U.S. DVD cover | |
| Starring | |
| No. of episodes | 21 |
| Release | |
| Original network | CBS |
| Original release | September 20, 2021 – May 23, 2022 |
| Season chronology | |
The nineteenth season of the American police procedural television series NCIS premiered on September 20, 2021, on CBS, for the 2021–22 television season, and concluded on May 23, 2022. The season contained 21 episodes. This is the final season to feature Mark Harmon as Gibbs.
NCIS revolves around a fictional team of special agents from the Naval Criminal Investigative Service, which conducts criminal investigations involving the United States Navy and Marine Corps. The series stars Mark Harmon, Sean Murray, Wilmer Valderrama, Katrina Law, Brian Dietzen, Diona Reasonover, David McCallum, Rocky Carroll, and Gary Cole. The season is the first with Law and Cole following the departures of Maria Bello and Emily Wickersham during the previous season. Harmon departed the series as a regular after the fourth episode, "Great Wide Open" but still appears in the title sequence for the remainder of the season.