HBO Released First Harry Potter Series Trailer
The inaugural season of the highly anticipated fantasy adaptation will stream this coming Christmas.
Updated on Sept. 22, 2026 in Television

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HBO has officially released the first trailer for its upcoming Harry Potter television series. The first season is set to premiere on HBO Max this Christmas.
Why it matters
The project represents a significant expansion of the Wizarding World franchise into the long-form episodic format. It aims to capture a new generation of viewers through this television adaptation.
The first season will consist of eight episodes filmed at Leavesden Studios in Hertfordshire. The central roles were cast following an extensive search that attracted 40,000 hopefuls.
The players
Dominic McLaughlin
He is the actor cast to portray the protagonist, Harry, in the new television series.
John Lithgow
He is an acclaimed actor who has been cast to play the role of Alastair Dumbledore.
Francesca Gardiner
She is one of the directors overseeing the production of the show's first season.
Mark Mylod
He is a director serving on the production team for the eight-episode series.
HBO Max
It is the streaming platform where the Harry Potter television series will be broadcast.
The details
Directors Francesca Gardiner and Mark Mylod have led the production of the eight-episode season. The cast includes Dominic McLaughlin as Harry, Alastair Stout as Ron Weasley, Arabella Stanton as Hermione Granger, John Lithgow as Dumbledore, Janet McTeer as McGonagall, Paapa Essiedu as Snape, and Nick Frost as Hagrid.
Timeline
The series will premiere on HBO Max during Christmas 2026.
Industry Dynamics
This series marks a departure from the cinematic format established by the Harry Potter film franchise. It highlights the industry trend of major studios pivoting iconic movie properties into high-budget streaming television events.
The series will be available exclusively for streaming through an HBO Max subscription. Viewers can expect all eight episodes of the first season to arrive during the upcoming Christmas season.
The takeaway
This production represents a massive undertaking by HBO to adapt the beloved novels into a fresh format for modern audiences. Fans should prepare for a new visual interpretation of the Wizarding World when the series debuts.
Further reading
Explore more upcoming releases and industry updates in the Television section.
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