Episodes
47
2 seasons
47 episodes · 2 seasons · 18.8 hours to binge
47
2 seasons
18.8 h
18h 48m
0 days
non-stop
8.4/10
1,182 votes
Assassination Classroom runs to 47 episodes across 2 seasons, at roughly 24 minutes each. Watching every episode back to back is 18.8 hours of pure run time — that's 0 days and 18 hours without a single break.
More realistically, at two episodes a night you'll finish in about 24 days. That's 2.4 full 8-hour work days of screen time. Use the planner below to pick your own pace and get an exact finish date.
18.8 h
Pure run time
24 days
At 2 episodes/day
24 min
Per episode
Day 24: 100% done (47 of 47 episodes)
23.5
on average
9.4 h
on average
1,128
0 days non-stop
At 18.8 hours, Assassination Classroom is longer than 39% of every series tracked here — making it a quick watch. Within the Animation genre the average is 39.6 hours, so Assassination Classroom sits below that.
Assassination Classroom is very well rated at 8.4/10 from 1,182 votes. With 18.8 hours of total run time it's a few weeks of viewing — plan accordingly before you press play.
All 47 episodes of Assassination Classroom add up to 18.8 hours of pure run time — that's 0 days and 18 hours non-stop.
Assassination Classroom has 47 episodes across 2 seasons, averaging about 24 minutes per episode.
At 1 episode a day it takes 47 days, at 2 episodes a day 24 days, and at a marathon pace of 8 a day just 6 days.
Assassination Classroom is rated 8.4/10 from 1,182 votes. Budget 18.8 hours if you want to watch the whole thing.
Episodes, seasons, runtime (24 min/episode) and rating come directly from TMDB (as of 2/12/2026).
Use the days-between-dates calculator to count the exact days from today to your finish date.
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