HBO is developing a multi-season television series adapting the Harry Potter books. This ambitious project aims for a more faithful rendition than the previous films, dedicating a full season to each of the seven novels and exploring previously omitted details. The show will feature an entirely new cast and boasts J.K. Rowling as an executive producer, promising authenticity. Production is slated to begin in summer 2025 at Warner Bros. Studios Leavesden, utilizing advanced visual effects to enhance the wizarding world. Expected to premiere around 2026 or 2027 on Max, this series is a key part of HBO's fantasy programming strategy.