Episodes
52
2 seasons
52 episodes · 2 seasons · 19.9 hours to binge
52
2 seasons
19.9 h
19h 56m
0 days
non-stop
8.2/10
870 votes
Ben 10: Ultimate Alien runs to 52 episodes across 2 seasons, at roughly 23 minutes each. Watching every episode back to back is 19.9 hours of pure run time — that's 0 days and 19 hours without a single break.
More realistically, at two episodes a night you'll finish in about 26 days. That's 2.5 full 8-hour work days of screen time. Use the planner below to pick your own pace and get an exact finish date.
19.9 h
Pure run time
26 days
At 2 episodes/day
23 min
Per episode
Day 26: 100% done (52 of 52 episodes)
26.0
on average
10.0 h
on average
1,196
0 days non-stop
At 19.9 hours, Ben 10: Ultimate Alien is longer than 41% of every series tracked here — making it a quick watch. Within the Animation genre the average is 39.6 hours, so Ben 10: Ultimate Alien sits below that.
Ben 10: Ultimate Alien is very well rated at 8.2/10 from 870 votes. With 19.9 hours of total run time it's a few weeks of viewing — plan accordingly before you press play.
All 52 episodes of Ben 10: Ultimate Alien add up to 19.9 hours of pure run time — that's 0 days and 19 hours non-stop.
Ben 10: Ultimate Alien has 52 episodes across 2 seasons, averaging about 23 minutes per episode.
At 1 episode a day it takes 52 days, at 2 episodes a day 26 days, and at a marathon pace of 8 a day just 7 days.
Ben 10: Ultimate Alien is rated 8.2/10 from 870 votes. Budget 19.9 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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