⏳ Binge-time calculator
How long to watch KJ File?
- whole series
- 2 h
- whole series
- season 1
- 1 h
- season 1
- episodes
- 13
- episodes
- at 2 h a day
- 1 day
- at 2 h a day
At your pace
One episode a day
13 days
1 hour a day
1 day
2 hours a day
1 day
4 hours a day
1 day
Weekends only, 5 h a day
1 weekend
Faster ways through it
Watch at 1.5× speed
35m
saves 17m
Most players support it; dialogue stays clear.
Binge planner
13 episodes × 4 min = 52m
How long to finish KJ File? Set how much you watch per day.
1
day to finish
30
episodes per day
1
weekends if you double up
The whole franchise
Every main entry and movie in story order, recaps left out.
1h 44m
1 day at 2 h a day
- 1KJ FileTV Series52m
- 2KJ File 2nd SeasonTV Series52m
How it compares
Shorter than the 20 most popular series
- Ansatsu Kyoushitsu 2nd Season9h 35m
- Ansatsu Kyoushitsu8h 26m
- Boku no Hero Academia5h 12m
- One Punch Man4h 48m
- Attack on Titan Season 24h 48m
- Attack on Titan Season 34h 47m
- No Game No Life4h 36m
- Attack on Titan Season 3 Part 23h 59m
- KJ File52m
Show as table
| Item | Runtime |
|---|---|
| Ansatsu Kyoushitsu 2nd Season | 9h 35m |
| Ansatsu Kyoushitsu | 8h 26m |
| Boku no Hero Academia | 5h 12m |
| One Punch Man | 4h 48m |
| Attack on Titan Season 2 | 4h 48m |
| Attack on Titan Season 3 | 4h 47m |
| No Game No Life | 4h 36m |
| Attack on Titan Season 3 Part 2 | 3h 59m |
| KJ File | 52m |
KJ File overview · Parents' guide · Longest and shortest anime
Frequently asked questions
How long is KJ File?
All of KJ File takes about 1h 44m across 2 main parts. Season 1 is 52m (13 episodes of 4 minutes). That's about 2 hours non-stop, or 1 day at two hours a day.
How long is KJ File season 1?
KJ File takes about 52m to watch: 13 episodes of 4 minutes. That's 1 hour non-stop, or 1 day at two hours a day.
Can I finish KJ File in a weekend?
Yes. At ten hours across Saturday and Sunday you'd finish KJ File in 1 weekend.