⏳ Binge-time calculator
How long to watch Kaibutsu-kun?
- non-stop
- 20 h
- non-stop
- episodes
- 49
- episodes
- at 2 h a day
- 11 days
- at 2 h a day
At your pace
One episode a day
7 weeks
49 days
1 hour a day
3 weeks
21 days
2 hours a day
11 days
4 hours a day
6 days
Weekends only, 5 h a day
3 weekends
Faster ways through it
Skip openings & endings
17h 58m
saves 2h 27m
About 3 minutes saved per episode.
Watch at 1.5× speed
13h 37m
saves 6h 48m
Most players support it; dialogue stays clear.
Binge planner
49 episodes × 25 min = 20h 25m
How long to finish Kaibutsu-kun? Set how much you watch per day.
13
days to finish
4
episodes per day
7
weekends if you double up
How it compares
Longer than 17 of the 20 most popular series
- One Piece564 h
- Hunter x Hunter (2011)59 h
- Fullmetal Alchemist: Brotherhood25h 36m
- Kaibutsu-kun20h 25m
- Death Note14h 11m
- Kimetsu no Yaiba10h 15m
- Attack on Titan10h
- Boku no Hero Academia 210h
- Boku no Hero Academia 310h
Show as table
| Item | Runtime |
|---|---|
| One Piece | 564 h |
| Hunter x Hunter (2011) | 59 h |
| Fullmetal Alchemist: Brotherhood | 25h 36m |
| Kaibutsu-kun | 20h 25m |
| Death Note | 14h 11m |
| Kimetsu no Yaiba | 10h 15m |
| Attack on Titan | 10h |
| Boku no Hero Academia 2 | 10h |
| Boku no Hero Academia 3 | 10h |
Kaibutsu-kun overview · Parents' guide · Longest and shortest anime
Frequently asked questions
How long does it take to watch Kaibutsu-kun?
Kaibutsu-kun takes about 20h 25m to watch: 49 episodes of 25 minutes. That's 20 hours non-stop, or 11 days at two hours a day.
How many episodes of Kaibutsu-kun are there?
Kaibutsu-kun has 49 episodes of about 25 minutes each.
Can I finish Kaibutsu-kun in a weekend?
Not in one. At ten hours a weekend it takes about 3 weekends.