2009 · ABC · Drama, Crime
How long does it take to watch Castle?
Castle takes about 126 hours to watch: 173 episodes across 8 seasons, 7,579 minutes in all.
Updated October 2, 2026
- Episodes
- 173
- Seasons
- 8
- Per episode
- 44 min
- Status
- Canceled in 2016
After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.
Season by season
| Season | Length | Hours | Episodes |
|---|---|---|---|
| Season 1 | 7.2h | 10 eps | |
| Season 2 | 17.5h | 24 eps | |
| Season 3 | 17.5h | 24 eps | |
| Season 4 | 16.9h | 23 eps | |
| Season 5 | 17.5h | 24 eps | |
| Season 6 | 16.9h | 23 eps | |
| Season 7 | 16.8h | 23 eps | |
| Season 8 | 16.1h | 22 eps |
Longest: season 3, 17.5 hours. Shortest: season 1, 7.2 hours.
At your pace
- 1 episode a night
- 173 nights, about 6 months
- 3 episodes a night
- 58 nights, about 8 weeks
- Weekend binges, 8 hours a day
- 8 weekends
- Straight through, no sleep
- 5 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 4 7.7
- Lowest-rated season
- Season 7 7.1
Season scores are vote-weighted averages of TMDB episode ratings.
The details
- Status
- Canceled in 2016
- Network
- ABC
- Genres
- Drama, Crime
- First aired
- 2009
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