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r/HarryPotterHBO↗

Welcome to our discussion community for fans of the new Harry Potter HBO series.

8.9k subscribers367 posts / mo in Sep 2026218 authors / mosince 2021

r/HarryPotterHBO has 8.9k members. It gets about 367 posts a month from 218 people. Top topics: Harry Potter TV Show Discussion, Harry Potter Series Updates and Harry's Birthday.

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Free report

When to post on r/HarryPotterHBO

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Visitors without an account can open 3 subreddit reports a day. The best time to post on r/HarryPotterHBO, removal risk and the rest of the report are one step away.

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Size and growth

How r/HarryPotterHBO has grown

r/HarryPotterHBO

Subscriber growth

Subscribers over time

+110%since May 2026
Oct 20268.7k
Growing8.7k subscribers
  • no data — drawn from 0 at creation (Apr 2021)
Live · through Oct 2026
r/HarryPotterHBO

Monthly activity

Posts, comments and authors per month

+1496%vs Sep 2025 · +81% last 3 months vs the 3 before
Sep 2026367
BusierPeaked at 367 in Sep 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/HarryPotterHBO

Top topics

Share of the subreddit's posts

  1. Harry Potter TV Show Discussion5.3%
  2. Harry Potter Series Updates2.2%
  3. Harry's Birthday1.3%
  4. Harry Potter Fan Theory0.9%
  5. Voldemort Discussions0.9%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Variety
  2. TikTok
  3. IMDb
  4. Deadline
  5. ScreenRant

The full report

Everything else about r/HarryPotterHBO

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.

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Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research