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Every update about HBO’s Harry Potter series recorded on this site, newest first.

For the main milestones on one page, see the timeline.

2026

• 13 November 2026New 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 2026New page: sets and filming locations, from the new Hogwarts at Leavesden to London Zoo, King’s Cross and the Cornish coast. More »
• 13 November 2026Dominic 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 2026Snape 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 »
• 9 November 2026New difference: Ron’s eye colour. J.K. Rowling has said Ron’s eyes are blue; in his character poster they are brown. More »
• 9 November 2026Character posters of Harry, Hermione and Ron, added to the posters page and their character pages. More »
• 8 November 2026New: a page for each episode of season 1, with the chapters it is likely to cover, and an About page. More »
• 8 November 2026New pages: characters, seasons, episodes, where to watch, posters, official images, creative team, FAQ and news. More »
• 7 November 2026Site redesigned. New pages: cast, trailers and poster, release date. Six new differences from the trailers. More »
• 29 October 2026HBO revealed the first official poster. More »
• 24 September 2026Official cast list updated by HarryPotter.com. More »
• 2 September 2026Second official teaser trailer released. More »
• 24 August 2026Nicholas Hoult leaves the role of Gilderoy Lockhart because of scheduling conflicts, two weeks after his casting was announced. Kit Harington will play Lockhart in season 2. More »
• 15 June 2026Peter Serafinowicz is cast as Peeves the Poltergeist, a character left out of the films. More »
• 6 May 2026HBO renews the series for a second season, based on Chamber of Secrets, before the first has aired. Jon Brown joins Francesca Gardiner as co-showrunner, and filming is planned for the autumn. More »
• 5 April 2026Finding Harry: The Craft Behind the Magic, a behind-the-scenes special, is released on HBO Max. More »
• 25 March 2026First official teaser and premiere date: 25 December 2026. More »
• 5 March 202621 more Hogwarts students are cast, among them Orson Matthews as Oliver Wood. More »

2025

• 1 September 2025On the day the Hogwarts Express leaves in the books, Warwick Davis is confirmed as Professor Flitwick, with Sirine Saba (Sprout), Richard Durden (Binns), Bríd Brennan (Pomfrey) and Leigh Gill (Griphook). More »
• 19 August 2025The Weasley children are cast: Tristan and Gabriel Harland (Fred and George), Ruari Spooner (Percy) and Gracie Cochrane (Ginny). More »
• 14 July 2025Filming begins at Leavesden, with the first image of Dominic McLaughlin as Harry. Also cast: Rory Wilmot (Neville), Amos Kitson (Dudley), Louise Brealey (Madam Hooch) and Anton Lesser (Ollivander). HBO says the series will premiere in 2027. More »
• 9 June 2025More casting: Katherine Parkinson (Molly Weasley), Lox Pratt (Draco Malfoy), Johnny Flynn (Lucius Malfoy), Bel Powley and Daniel Rigby (Petunia and Vernon Dursley), Bertie Carvel (Cornelius Fudge) and three Gryffindor students. More »
• 27 May 2025Dominic McLaughlin, Arabella Stanton and Alastair Stout are cast as Harry, Hermione and Ron, chosen from more than 30,000 children who auditioned. More »
• 14 April 2025The first cast is announced: John Lithgow (Dumbledore), Janet McTeer (McGonagall), Paapa Essiedu (Snape), Nick Frost (Hagrid), Luke Thallon (Quirrell) and Paul Whitehouse (Filch). More »

2024

• 5 December 2024HBO confirms that filming will start in summer 2025 at Warner Bros. Studios Leavesden, where the films were made. More »
• 8 September 2024Open casting call for Harry, Ron and Hermione, for children in the UK and Ireland who would be 9 to 11 years old in April 2025. More »
• 25 June 2024Francesca Gardiner is named showrunner and writer, and Mark Mylod will direct several episodes. Both are executive producers with J.K. Rowling, Neil Blair, Ruth Kenley-Letts and David Heyman. More »

2023

• 12 April 2023Warner Bros. Discovery announces a Harry Potter television series for Max, promising to be “authentic to the original books”, with J.K. Rowling as an executive producer. More »