Episodes
26
3 seasons
26 episodes · 3 seasons · 10.4 hours to binge
26
3 seasons
10.4 h
10h 24m
0 days
non-stop
8.1/10
4,542 votes
What If...? runs to 26 episodes across 3 seasons, at roughly 24 minutes each. Watching every episode back to back is 10.4 hours of pure run time — that's 0 days and 10 hours without a single break.
More realistically, at two episodes a night you'll finish in about 13 days. That's 1.3 full 8-hour work days of screen time. Use the planner below to pick your own pace and get an exact finish date.
10.4 h
Pure run time
13 days
At 2 episodes/day
24 min
Per episode
Day 13: 100% done (26 of 26 episodes)
8.7
on average
3.5 h
on average
624
0 days non-stop
At 10.4 hours, What If...? is longer than 21% of every series tracked here — making it a quick watch. Within the Animation genre the average is 39.6 hours, so What If...? sits below that.
What If...? is very well rated at 8.1/10 from 4,542 votes. With 10.4 hours of total run time it's a weekend project — plan accordingly before you press play.
All 26 episodes of What If...? add up to 10.4 hours of pure run time — that's 0 days and 10 hours non-stop.
What If...? has 26 episodes across 3 seasons, averaging about 24 minutes per episode.
At 1 episode a day it takes 26 days, at 2 episodes a day 13 days, and at a marathon pace of 8 a day just 4 days.
What If...? is rated 8.1/10 from 4,542 votes. Budget 10.4 hours if you want to watch the whole thing.
Episodes, seasons and rating come from TMDB (as of 2/12/2026). What If...? had no official per-episode runtime on file, so the 24 minutes shown are a genre-based estimate.
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