Episodes
20
2 seasons
20 episodes · 2 seasons · 14.7 hours to binge
20
2 seasons
14.7 h
14h 40m
0 days
non-stop
8.1/10
1,111 votes
Project Blue Book runs to 20 episodes across 2 seasons, at roughly 44 minutes each. Watching every episode back to back is 14.7 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 10 days. That's 1.8 full 8-hour work days of screen time. Use the planner below to pick your own pace and get an exact finish date.
14.7 h
Pure run time
10 days
At 2 episodes/day
44 min
Per episode
Day 10: 100% done (20 of 20 episodes)
10.0
on average
7.3 h
on average
880
0 days non-stop
At 14.7 hours, Project Blue Book is longer than 30% of every series tracked here — making it a quick watch. Within the Sci-Fi & Fantasy genre the average is 36.5 hours, so Project Blue Book sits below that.
Project Blue Book is very well rated at 8.1/10 from 1,111 votes. With 14.7 hours of total run time it's a weekend project — plan accordingly before you press play.
All 20 episodes of Project Blue Book add up to 14.7 hours of pure run time — that's 0 days and 14 hours non-stop.
Project Blue Book has 20 episodes across 2 seasons, averaging about 44 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.
Project Blue Book is rated 8.1/10 from 1,111 votes. Budget 14.7 hours if you want to watch the whole thing.
Episodes, seasons, runtime (44 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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