Episodes
27
3 seasons
27 episodes · 3 seasons · 22.5 hours to binge
27
3 seasons
22.5 h
22h 30m
0 days
non-stop
7.5/10
1,504 votes
Legion runs to 27 episodes across 3 seasons, at roughly 50 minutes each. Watching every episode back to back is 22.5 hours of pure run time — that's 0 days and 22 hours without a single break.
More realistically, at two episodes a night you'll finish in about 14 days. That's 2.8 full 8-hour work days of screen time. Use the planner below to pick your own pace and get an exact finish date.
22.5 h
Pure run time
14 days
At 2 episodes/day
50 min
Per episode
Day 14: 100% done (27 of 27 episodes)
9.0
on average
7.5 h
on average
1,350
0 days non-stop
At 22.5 hours, Legion is longer than 45% of every series tracked here — making it a quick watch. Within the Action & Adventure genre the average is 43.2 hours, so Legion sits below that.
Legion is very well rated at 7.5/10 from 1,504 votes. With 22.5 hours of total run time it's a few weeks of viewing — plan accordingly before you press play.
All 27 episodes of Legion add up to 22.5 hours of pure run time — that's 0 days and 22 hours non-stop.
Legion has 27 episodes across 3 seasons, averaging about 50 minutes per episode.
At 1 episode a day it takes 27 days, at 2 episodes a day 14 days, and at a marathon pace of 8 a day just 4 days.
Legion is rated 7.5/10 from 1,504 votes. Budget 22.5 hours if you want to watch the whole thing.
Episodes, seasons, runtime (50 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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