r/HarryPotteronHBO↗
The largest subreddit for fans of the upcoming HBO original ‘Harry Potter’ TV show, set to premiere on Christmas 2026. Featuring instant news, lively discussions, speculation, and fan art; all focused on the upcoming TV adaptation of the beloved fantasy series.
113k subscribers1,186 posts / mo in Sep 2026 (incl. <1% by known bots)591 authors / mosince 2023
r/HarryPotteronHBO has 113k members (+47% over the last 12 months). It gets about 1,186 posts a month from 591 people. Top topics: Harry Potter TV Show Discussion, Harry Potter Series Updates and Harry Potter Fan Discussion.
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How r/HarryPotteronHBO has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/HarryPotteronHBO
Top topics
Share of the subreddit's posts
- Harry Potter TV Show Discussion6.8%
- Harry Potter Series Updates1.2%
- Harry Potter Fan Discussion0.9%
- Harry Potter Staff Discussion0.8%
- Harry Potter Books vs Movies0.8%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Variety
- Deadline
- TikTok
- The Hollywood Reporter
- IMDb
Everything else about r/HarryPotteronHBO
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research