HBO reveals the official Harry Potter TV series trailer starring Dominic McLaughlin. Get premiere dates, streaming details, and full cast updates!
HBO has officially released a new teaser trailer and promotional stills for Harry Potter and the Philosopher's Stone, the first season of its upcoming decade-long television adaptation of J.K. Rowling's legendary fantasy books. Showrun by Francesca Gardiner (Succession) and directed by Mark Mylod, the series offers a faithful, expanded retelling of the Boy Who Lived. Starring newcomer Dominic McLaughlin as Harry Potter alongside Arabella Stanton as Hermione Granger and Alastair Stout as Ron Weasley, Season 1 officially premieres on December 25, 2026, streaming exclusively on HBO Max.
When Is the HBO Harry Potter Series Release Date?
The first season of the multi-season television reboot will premiere on Christmas Day, December 25, 2026. HBO plans to adapt each of J.K. Rowling's seven original novels into a dedicated season, providing an 8-episode narrative arc for Philosopher's Stone alone.
This expanded television structure allows the production team to include subplots, classroom sequences, and side characters that were previously cut from the Warner Bros. theatrical films due to run-time constraints.
Who Is in the Cast of the HBO Harry Potter Series?
The new series introduces a fresh generation of child actors to lead the golden trio, backed by an award-winning adult ensemble playing the Hogwarts staff and magical community:
- The Lead Trio: Newcomer Dominic McLaughlin takes over the mantle of Harry Potter, alongside Arabella Stanton as Hermione Granger and Alastair Stout as Ron Weasley.
- Hogwarts Faculty: Hollywood legend John Lithgow stars as Headmaster Albus Dumbledore, with Janet McTeer as Professor Minerva McGonagall, Paapa Essiedu as Professor Severus Snape, and Nick Frost as Rubeus Hagrid.
- Returning Wizarding World Veterans: Warwick Davis returns to the franchise to reprise his fan-favorite role as Professor Filius Flitwick.
- Pure-Bloods and Muggle Relatives: Johnny Flynn plays Lucius Malfoy, Bel Powley portrays Petunia Dursley, Katherine Parkinson plays Molly Weasley, Paul Whitehouse steps in as caretaker Argus Filch, and Anton Lesser plays wandmaker Garrick Ollivander.
What Does the First Harry Potter Teaser Trailer Reveal?
The newly released teaser trailer offers fans a vivid look at a re-imagined Hogwarts School of Witchcraft and Wizardry set to an all-new score by Hans Zimmer. Iconic moments featured in the footage include:
- The Sorting Ceremony: Janet McTeer's McGonagall calling new students up to the Great Hall stool as Harry silently pleads, "Not Slytherin".
- Magical Classroom Lessons: Close-up glimpses of Potions class with Paapa Essiedu's Snape, alongside Herbology lessons in the greenhouses.
- Iconic Book Artifacts: Visual setups showcasing the Invisibility Cloak, the Mirror of Erised, and high-flying Gryffindor versus Slytherin Quidditch matches.
- Expanded Lore: Early scenes at the Weasley family's Burrow receiving Hogwarts admission letters, confirming the show will explore perspectives beyond Harry's direct point of view.