About r/Documentaries
r/Documentaries is one of the largest safe-for-work communities on Reddit, ranked #40 on SubMouse with 20,362,099 subscribers.
In its own words:
tl;dw /r/Documentaries is reddit's main subreddit for documentaries. Please read our community rules.
The community was created on Mar 21, 2008, which makes it 18 years old. Since Oct 19, 2026, it has gained 1,469 subscribers (+0.01%). It sits just behind r/wallstreetbets (#39) and ahead of r/photoshopbattles (#41) in our ranking.
How to join
Open reddit.com/r/Documentaries and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Stats from public data (data updated Oct 29, 2026). SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/Documentaries.