A new Harry Potter tv series is in the works, with some outlets reporting it will premiere on HBO in 2026. The show has released a teaser trailer and is expected to feature a new cast, as well as a returning film star. Details about the plot and cast, including the potential inclusion of a fan-favorite Hogwarts student, are emerging, though it is unclear if the show is a reboot or a new iteration of the series, and some outlets are already discussing a potential second season.