Searxng/Harry Potter HBO series c TV Discover the new cast and magic of the 2026 Harry Potter HBO reboot. Meet the trio and Hogwarts faculty in this fresh adaptation. April 12, 2026 AceShowbiz - The highly anticipated Harry Potter reboot is steadily progressing towards its scheduled release in December 2026 on HBO. Early previews, including the official trailer and the documentary Finding Harry: The Craft Behind the Magic, have begun to unveil what fans can expect from the new adaptation.