Harry Potter: Books vs Series

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Season 2: Chamber of Secrets

HBO renewed the series for a second season, based on Harry Potter and the Chamber of Secrets, in May 2026 [source].

BookHarry Potter and the Chamber of Secrets (1998)
StatusFilming at Leavesden Studios, according to Variety in October 2026 [source]
Release dateNot announced
ShowrunnersFrancesca Gardiner and Jon Brown (co-showrunner from season 2) [source]

New cast for season 2

Gilderoy LockhartKit Harington
Arthur WeasleyRafe Spall
DobbyLenny Rush
Tom RiddleBilly Barratt
Ginny WeasleyBonnie Hill (Gracie Cochrane plays her in season 1)
Colin CreeveyJasper Ambrose
Moaning MyrtleMolly Hewitt-Richards

Sources: HarryPotter.com, Variety. The returning cast is in the full cast.

When will season 2 come out?

There is no date. Casey Bloys, HBO’s chief content officer, has said the seasons will not be yearly: “It’s not going to be an annual; the show is too big and too massive.” [source]

Premiere

25 Decon HBO Max

Books vs Series

Difference 001 of 15

Snape’s skin colour

Books: Snape has “sallow skin” (PS, ch. 7).

Series: he is played by Paapa Essiedu, a Black British actor.

All 15 differences »

Posters

Harry character poster, HBO's Harry Potter
Harry

All posters »

Latest updates

9 November 2026
New difference: Ron’s eye colour. J.K. Rowling has said Ron’s eyes are blue; in his character poster they are brown. More »

9 November 2026
Character posters of Harry, Hermione and Ron, added to the posters page and their character pages. More »

8 November 2026
New: a page for each episode of season 1, with the chapters it is likely to cover, and an About page. More »

8 November 2026
New pages: characters, seasons, episodes, where to watch, posters, official images, creative team, FAQ and news. More »

All news »

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Book references are to the UK editions: PS = Philosopher's Stone, CoS = Chamber of Secrets. · About this site · Page updated