2003 · CBS · Crime, Drama
How long does it take to watch NCIS?
NCIS runs about 366 hours so far: 507 episodes aired, across 23 seasons.
Updated October 2, 2026
- Episodes
- 507
- Seasons
- 23
- Per episode
- 43 min
- Status
- Airing now
From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has any connection to Navy and Marine Corps personnel, regardless of rank or position.
Season by season
| Season | Length | Hours | Episodes |
|---|---|---|---|
| Season 1 | 16.8h | 23 eps | |
| Season 2 | 16.8h | 23 eps | |
| Season 3 | 17.6h | 24 eps | |
| Season 4 | 17.5h | 24 eps | |
| Season 5 | 13.9h | 19 eps | |
| Season 6 | 18.3h | 25 eps | |
| Season 7 | 17.4h | 24 eps | |
| Season 8 | 17.3h | 24 eps | |
| Season 9 | 17.1h | 24 eps | |
| Season 10 | 17.2h | 24 eps | |
| Season 11 | 17.2h | 24 eps | |
| Season 12 | 17.2h | 24 eps | |
| Season 13 | 17.0h | 24 eps | |
| Season 14 | 16.9h | 24 eps | |
| Season 15 | 17.1h | 24 eps | |
| Season 16 | 17.0h | 24 eps | |
| Season 17 | 14.2h | 20 eps | |
| Season 18 | 12.0h | 16 eps | |
| Season 19 | 15.8h | 21 eps | |
| Season 20 | 16.0h | 22 eps | |
| Season 21 | 7.3h | 10 eps | |
| Season 22 | 14.3h | 20 eps | |
| Season 23 | 14.3h | 20 eps |
Longest: season 6, 18.3 hours. Shortest: season 21, 7.3 hours.
At your pace
- 1 episode a night
- 507 nights, about 17 months
- 3 episodes a night
- 169 nights, about 6 months
- Weekend binges, 8 hours a day
- 23 weekends
- Straight through, no sleep
- 15 days, 6 hours
Counts aired regular-season episodes only; specials are excluded. Runtimes come from TMDB, so totals can differ from other sources.
How it holds up
- Best-rated season
- Season 19 8.4
- Lowest-rated season
- Season 13 6.9
Season scores are vote-weighted averages of TMDB episode ratings.
The details
- Status
- Airing now. Next up: season 24, episode 1.
- Network
- CBS
- Genres
- Crime, Drama, Action & Adventure
- First aired
- 2003
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