About r/hbo
In its own words:
A subreddit to discuss all things HBO. Discover full episodes of original series, movies, schedule information, exclusive video content, episode guides and more. See also: /r/hbomax
Community guide
At #486 with about 2.3 million subscribers, r/hbo is a subreddit to discuss all things HBO. Discover full episodes of original series, movies, schedule information, exclusive video content, episode guides and more. See also: /r/hbomax. Collected rules cover Off Topic Posts. Activity mix in sample: text:23, image:6, link:6, video:1. Moderate sample (~5.6 ppd across 36 posts).
Community focus
A subreddit to discuss all things HBO. Discover full episodes of original series, movies, schedule information, exclusive video content, episode guides and more. See also: /r/hbomax Compared with adjacent topical subs, keep content inside this sub’s own boundaries.
Rules that shape posts
From the collected list: Off Topic Posts. When a rule title is terse, assume the live wiki/sidebar has the detail.
Before you post
Check flair, spoiler, and self-promo norms. Moderate sample (~5.6 ppd across 36 posts). Submission setting notes: Submission type is open (text or link)..
SubMouse Editorial
The community was created on Jun 29, 2009, which makes it 17 years old. Since Oct 26, 2026, it has gained 432 subscribers (+0.02%). It sits just behind r/ArtisanVideos (#485) and ahead of r/WhatsWrongWithYourDog (#487) in our ranking.
What sets r/hbo apart
Compared with other large communities, r/hbo leans heavily on text posts (64% of recent posts; the typical Top 100 subreddit sits at 34%).
Subscriber growth
Between Sep 19, 2026 and Nov 2, 2026, r/hbo grew from 2,287,132 to 2,290,993 subscribers (+3.9K, +0.17%). That is about 88 new members per day. The chart uses our weekly snapshots (9 so far), so it gets longer every week.
What r/hbo talks about
We read the titles of 36 recent posts (Oct 29–Nov 4), the words that come up most are “war”, “watching”, “series”, “show” and “movies”. Other frequent themes are paramount+, wire, deadwood, shows, worth and harry. Recurring phrases include “worth watching” and “harry potter”. By format, 64% are text posts, 17% are images and 17% are links.
Activity and best time to post
r/hbo gets about 5.6 new posts a day. The public archive holds 21,800 posts and 457,842 comments in total, about 21.0 comments per post. Last week the busiest day was Saturday (8 posts) and the quietest was Monday (3). Posting peaks around 11:00 UTC and is lowest around 04:00 UTC.
Rules of r/hbo
The moderators of r/hbo list 1 rules. In short:
- Off Topic Posts
How to join
Open reddit.com/r/hbo and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Frequently asked questions
How many members does r/hbo have?
r/hbo has 2,290,993 subscribers (Nov 2, 2026), which makes it the #486 safe-for-work subreddit in the SubMouse ranking. It added 3,861 members between Sep 19, 2026 and Nov 2, 2026.
How old is r/hbo?
r/hbo was created on Jun 29, 2009, so it has been around for 17 years. The oldest post in the public archive is from Aug 8, 2010.
How active is r/hbo?
Moderately: r/hbo gets about 5.6 new posts a day (average of the last four weeks). Over its lifetime the archive counts 21,800 posts and 457,842 comments.
When is r/hbo most active?
Based on post counts from Oct 29, 2026 to Nov 4, 2026, the busiest day was Saturday and the quietest Monday, and most posts arrive around 11:00 UTC, with the fewest around 04:00 UTC. More posts also means more competition, so a quieter hour can help a post get noticed.
What is r/hbo about?
The community describes itself as: “A subreddit to discuss all things HBO. Discover full episodes of original series, movies, schedule information, exclusive video content, episode guides and more. See also: /r/hbomax” Recent post titles often mention war, watching, series, show and movies. Most posts are text posts (64%).
Is r/hbo safe for work?
Yes. Reddit does not mark r/hbo as an 18+ (NSFW) community. SubMouse lists safe-for-work subreddits only.
How do I post on r/hbo?
Join the community on Reddit first, then use “Create post”. r/hbo accepts both text and link posts, with images, videos, galleries and polls enabled. It has 1 posted rules, starting with: “Off Topic Posts”. Moderators remove posts that break the rules, so read them in the sidebar before posting.
Which communities are like r/hbo?
Communities with similar topics include r/thelastofus (2.3M), r/movies (37.7M), r/PewdiepieSubmissions (3.4M), r/boxoffice (1.2M) and r/MovieDetails (4.2M).
Stats from public data (data updated Nov 2, 2026; activity, rules and archive totals via the Arctic Shift archive, Nov 6, 2026). Point and comment counts are archive snapshots and can be lower than on Reddit today. SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/hbo.