
Harry Potter Trailer Sets HBO Viewing Record Ahead of 2026 Series
The first trailer for HBO/Max’s new Harry Potter TV series, reimagining the seven-book saga, earned more than 277 million organic views across platforms in its first 48 hours, becoming HBO/HBO Max’s most‑watched trailer. The series, which will premiere Christmas 2026 on HBO Max, is led by showrunner Francesca Gardiner with Mark Mylod directing several episodes and a cast that includes John Lithgow, Janet McTeer and Paapa Essiedu; each season is expected to adapt a different Potter book, beginning with Harry Potter and the Philosopher’s Stone.









