HBO Harry Potter Series: Release Date, Cast, Trailer & How It Differs from the Movies

When does the HBO Harry Potter series come out?

Harry Potter and the Philosopher’s Stone premieres Christmas Day 2026 (25 December) on HBO in the U.S. and on HBO Max wherever the app is available, including the UK & Ireland, Germany, and Italy. Season 1 is eight episodes. HBO has already renewed a second season adapting Harry Potter and the Chamber of Secrets.

Celluloid Scores publish after critic embargos lift — the show page tracks cast, platform, and premiere status until then.

What is the HBO Harry Potter series called?

Season 1 is titled Harry Potter and the Philosopher’s Stone — matching the novel and the UK film title (U.S. film markets historically used Sorcerer’s Stone). It is a fresh television adaptation produced by HBO, Warner Bros. Television, Brontë Film & TV, and Heyday Films — not a remaster or extended cut of the 2001 movie.

Who stars in the HBO Harry Potter cast?

The new trio: Dominic McLaughlin (Harry Potter), Arabella Stanton (Hermione Granger), Alastair Stout (Ron Weasley).

Key adult cast: John Lithgow (Albus Dumbledore), Janet McTeer (Minerva McGonagall), Paapa Essiedu (Severus Snape), Nick Frost (Rubeus Hagrid), Lox Pratt (Draco Malfoy), Rory Wilmot (Neville Longbottom). Warwick Davis returns to the Wizarding World as Filius Flitwick. Additional Season 1 names include Bel Powley and Daniel Rigby as the Dursleys, Johnny Flynn as Lucius Malfoy, Katherine Parkinson as Molly Weasley, and Luke Thallon as Quirinus Quirrell.

Full roster and updates live on the series page.

Is the HBO series a reboot or a sequel to the movies?

It is a reboot / re-adaptation of the books for TV — not a sequel in the Radcliffe–Watson–Grint continuity. Each novel is planned as its own season so characters can age with the cast over roughly a decade. You do not need the films first; if you want the theatrical saga afterward (or before), use our Harry Potter watch order.

How is it different from the Harry Potter movies?

The films remain the definitive big-screen event; the series is positioned as the long-form, book-paced version. Compare scores for the theatrical library starting with Philosopher’s Stone and Prisoner of Azkaban.

Where can I watch Harry Potter before the HBO premiere?

Most of the film series streams on HBO Max in markets that carry the Wizarding World pack — confirm on each title page. Pair the library with other HBO Max fantasy on Celluloid: A Knight of the Seven Kingdoms, House of the Dragon, and The Pitt for non-wizarding prestige.

Quick answers (AEO)

• Release date: 25 December 2026
• Episodes (S1): 8
• Platform: HBO + HBO Max
• Season 1 book: Philosopher’s Stone
• Season 2: Chamber of Secrets (ordered)
• Movie watch order: Guide →
• Series hub: /shows/harry-potter-hbo/