Overview
- HBO has officially renewed its new Harry Potter series for a second season that adapts Chamber of Secrets before season 1 has aired.
- Season 1 is set to premiere on December 25, 2026 on HBO and on Max worldwide.
- Season 2 is planned to enter production in autumn 2026 with schedules that overlap work on season 1 to keep the series on pace.
- Showrunner Francesca Gardiner will be joined by newly promoted co-showrunner Jon Brown to steer the concurrent phases.
- Producers outline a roughly 10-year plan to adapt all seven J.K. Rowling books, reusing sets and infrastructure to support the long run.