Episodes
20
2 seasons
20 episodes · 2 seasons · 20.0 hours to binge
20
2 seasons
20.0 h
20h
0 days
non-stop
7.8/10
542 votes
Making a Murderer runs to 20 episodes across 2 seasons, at roughly 60 minutes each. Watching every episode back to back is 20.0 hours of pure run time — that's 0 days and 20 hours without a single break.
More realistically, at two episodes a night you'll finish in about 10 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.
20.0 h
Pure run time
10 days
At 2 episodes/day
60 min
Per episode
Day 10: 100% done (20 of 20 episodes)
10.0
on average
10.0 h
on average
1,200
0 days non-stop
At 20.0 hours, Making a Murderer is longer than 41% of every series tracked here — making it a quick watch. Within the Documentary genre the average is 32.7 hours, so Making a Murderer sits below that.
Making a Murderer is very well rated at 7.8/10 from 542 votes. With 20.0 hours of total run time it's a few weeks of viewing — plan accordingly before you press play.
All 20 episodes of Making a Murderer add up to 20.0 hours of pure run time — that's 0 days and 20 hours non-stop.
Making a Murderer has 20 episodes across 2 seasons, averaging about 60 minutes per episode.
At 1 episode a day it takes 20 days, at 2 episodes a day 10 days, and at a marathon pace of 8 a day just 3 days.
Making a Murderer is rated 7.8/10 from 542 votes. Budget 20.0 hours if you want to watch the whole thing.
Episodes, seasons, runtime (60 min/episode) and rating come directly from TMDB (as of 2/12/2026).
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