Episodes
39
3 seasons
39 episodes · 3 seasons · 15.0 hours to binge
39
3 seasons
15.0 h
14h 57m
0 days
non-stop
8.3/10
848 votes
Justice League Unlimited runs to 39 episodes across 3 seasons, at roughly 23 minutes each. Watching every episode back to back is 15.0 hours of pure run time — that's 0 days and 14 hours without a single break.
More realistically, at two episodes a night you'll finish in about 20 days. That's 1.9 full 8-hour work days of screen time. Use the planner below to pick your own pace and get an exact finish date.
15.0 h
Pure run time
20 days
At 2 episodes/day
23 min
Per episode
Day 20: 100% done (39 of 39 episodes)
13.0
on average
5.0 h
on average
897
0 days non-stop
At 15.0 hours, Justice League Unlimited is longer than 30% of every series tracked here — making it a quick watch. Within the Animation genre the average is 39.6 hours, so Justice League Unlimited sits below that.
Justice League Unlimited is very well rated at 8.3/10 from 848 votes. With 15.0 hours of total run time it's a few weeks of viewing — plan accordingly before you press play.
All 39 episodes of Justice League Unlimited add up to 15.0 hours of pure run time — that's 0 days and 14 hours non-stop.
Justice League Unlimited has 39 episodes across 3 seasons, averaging about 23 minutes per episode.
At 1 episode a day it takes 39 days, at 2 episodes a day 20 days, and at a marathon pace of 8 a day just 5 days.
Justice League Unlimited is rated 8.3/10 from 848 votes. Budget 15.0 hours if you want to watch the whole thing.
Episodes, seasons, runtime (23 min/episode) and rating come directly from TMDB (as of 2/12/2026).
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