One season per book
The series plans to adapt each novel across its own season — giving storylines the room the films never had.
Harry Potter is an upcoming HBO fantasy series that reboots J.K. Rowling's books with a new generation of actors and a plan to dedicate one season to each novel. The first season — titled Harry Potter and the Philosopher's Stone — spans eight episodes filmed at Leavesden Studios and premieres globally on Christmas Day, December 25, 2026. Dominic McLaughlin leads a cast that includes John Lithgow as Dumbledore, Paapa Essiedu as Snape, and Hans Zimmer on the score.
At a Glance
Season 1 titleHarry Potter and the Philosopher's Stone
Based onNovels by J.K. Rowling
ShowrunnersFrancesca Gardiner, Jon Brown
CountryUnited Kingdom / United States
LanguageEnglish
ComposerHans Zimmer
ProductionHBO, Heyday Films, Warner Bros. Television
FilmingLeavesden Studios, England
Release dateDecember 25, 2026
Why the reboot matters
Skepticism is inevitable — the films exist, the cast is iconic, and reboots fail more often than they succeed. But HBO is betting on something the movies never had: time.
The announcement of a Harry Potter TV series was always going to provoke strong reactions. Daniel Radcliffe, Emma Watson, and Rupert Grint are inseparable from the roles for millions of viewers. Replacing them is not a creative choice — it is a commercial and emotional gamble.
HBO's answer is fidelity through length. Where the films compressed 700-page novels into two-hour slots, a season of eight episodes can breathe. The first book alone contains enough material for a rich season: the Dursleys, Diagon Alley, the Hogwarts Express, troll in the dungeon, mirror of Erised, and the stone itself. Showrunner Francesca Gardiner and director Mark Mylod have pedigree — Gardiner from Succession, Mylod from Shameless and Succession — suggesting ambition beyond children's television.
Hans Zimmer composing the score signals budget and seriousness. Warwick Davis returning as Flitwick bridges the old and new. And the casting of Paapa Essiedu as Snape and John Lithgow as Dumbledore shows willingness to reimagine rather than imitate. Whether it works will not be known until Christmas 2026 — but the foundation is thoughtful, and the plan is clear: seven books, seven seasons, one decade.
One book. One season. Eight episodes. That is the pitch — and it might be exactly what Rowling's world needed.
A completely new trio
McLaughlin, Stout, and Stanton were chosen from tens of thousands of auditions to define Harry, Ron, and Hermione for a new era.
Hans Zimmer scores Hogwarts
The legendary composer replaces John Williams's film themes with an entirely new musical identity for the series.
Already renewed
HBO confirmed a second season adapting Chamber of Secrets before the first season even airs — a vote of confidence in the long-term plan.
Story
A new cast, the same story — Hogwarts begins again
01
A new Harry, Ron, and Hermione
After more than 30,000 children auditioned, Dominic McLaughlin, Alastair Stout, and Arabella Stanton were cast as the trio — relative newcomers chosen to grow into roles that defined a previous generation of actors.
02
Legendary faces at Hogwarts
John Lithgow steps into Dumbledore's robes, Paapa Essiedu plays Snape, Janet McTeer is McGonagall, and Nick Frost is Hagrid — a veteran ensemble guiding the young cast through their first year at school.
03
Christmas Day 2026
The first trailer debuted at the HBO Max UK launch in March 2026, confirming a global premiere on December 25, 2026 — eight episodes that reboot the franchise for the streaming era.
Cast
Main characters and performers
Behind the Scenes
Premieres globally on HBO and HBO Max on December 25, 2026 — Christmas Day.
Season 1 consists of eight episodes titled Harry Potter and the Philosopher's Stone.
More than 30,000 children auditioned for the roles of Harry, Ron, and Hermione.
Hans Zimmer composes the score — his first work on the Harry Potter franchise.
Warwick Davis reprises his role as Filius Flitwick from the original film series.
HBO renewed the series for a second season adapting Chamber of Secrets before season one aired.
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FAQ
When does the Harry Potter TV series premiere?
December 25, 2026 (Christmas Day) on HBO in the United States and HBO Max globally, including the UK, Ireland, Germany, and Italy.
Is this a remake of the Harry Potter films?
It is a new television adaptation of J.K. Rowling's books, not a direct remake of the films. Each book is planned to become its own season.
Who plays Harry Potter in the 2026 series?
Dominic McLaughlin plays Harry Potter, alongside Alastair Stout as Ron Weasley and Arabella Stanton as Hermione Granger.
How many episodes are in season one?
Eight episodes, adapting the full story of Harry Potter and the Philosopher's Stone.
Will there be more seasons?
Yes. HBO has already renewed the series for a second season based on Harry Potter and the Chamber of Secrets, with a long-term plan for all seven books.
Where was the series filmed?
Principal photography took place at Leavesden Studios in Hertfordshire, England — the same studio used for the original film franchise.
Where can I watch the Harry Potter TV series?
It will stream on HBO Max (now Max) where available. Check MovieLinks for updates as the release date approaches.
