Harry Potter: Books vs Series

Books vs Series · The unofficial guide to HBO's Harry Potter

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Episodes

Season 1, Philosopher’s Stone, has eight episodes. The first premieres on 25 December 2026.

Season 1: Philosopher’s Stone

EpisodeAir dateChapters
Episode 125 December 2026Chapters 1–3*
Episode 2Not yet announcedChapters 4–5*
Episode 3Not yet announcedChapters 6–7*
Episode 4Not yet announcedChapters 8–9*
Episode 5Not yet announcedChapters 10–11*
Episode 6Not yet announcedChapters 12–13*
Episode 7Not yet announcedChapters 14–15*
Episode 8Not yet announcedChapters 16–17*

* Our own estimate of how the book’s 17 chapters may be split across the eight episodes, not information from HBO. Episode titles have not been announced.

HBO has not yet published the episode titles or the release schedule for episodes 2 to 8 [source]. This guide will be updated as soon as they are official.

Each episode has its own page. When it airs, the page will be updated with the chapters it actually adapts and every difference from the book. Until then, the differences seen in the trailers are on the differences page.

See also: all seasons, release date and where to watch.

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

13 November 2026
New pages: a page for each actor, the ages of the cast, new scenes not in the book, houses and uniforms, magical creatures and music. More »

13 November 2026
New page: sets and filming locations, from the new Hogwarts at Leavesden to London Zoo, King’s Cross and the Cornish coast. More »

13 November 2026
Dominic McLaughlin, Arabella Stanton and Alastair Stout, the new Harry, Hermione and Ron, talked to Scholastic News about the auditions, getting the parts and filming. More »

10 November 2026
Snape actor Paapa Essiedu told Vanity Fair he still doesn’t really know what happens in Deathly Hallows, and was baffled by Dumbledore’s death. 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