A short, curated guide — not an automatic related dump. Figures come from SubMouse's safe-for-work directory when we have them.
r/Documentaries (about 20.4M members, directory rank #40) is Reddit’s main documentary subreddit. Narrative films, scripted TV and true-crime discussion each have clearer homes when the title is not a documentary.
Stay on Documentaries for documentary films and series. Use movies for narrative cinema, television for scripted TV, and TrueCrime when the interest is crime cases rather than documentary form.
r/Documentaries — Documentaries
tl;dw /r/Documentaries is reddit's main subreddit for documentaries. Please read our community rules.
Movie News and Discussion
When to choose it: Narrative films rather than documentaries.
Why it is here: Huge movies community (about 37.7M members, rank #9). See movies vs television.
How it differs from r/Documentaries: Fiction cinema versus documentary form.
📺 Television Discussion and News
When to choose it: Scripted TV programming.
Why it is here: Public description: scripted television programming (about 18.2M members, rank #50).
How it differs from r/Documentaries: Scripted TV versus documentary watching.
When to choose it: Crime cases and true-crime culture.
Why it is here: Directory true-crime community (about 3.4M members, rank #307).
How it differs from r/Documentaries: Case discussion versus documentary-medium focus.
Run the automatic finder for r/Documentaries (results are matched from our directory; that page is not indexed): Find related to r/Documentaries.
Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-02 UTC); 7-day growth measured from 2026-10-26. Posts/day and culture claims appear only when we have them — missing fields stay n/a. Directory rank is listing order. Communities outside the published Top 100 open in the info tool instead of a full community page. Guide updated 2026-11-07.