‘House of the Dragon’ Is HBO’s Top Debut With 10 Million Viewers

HBO’s “House of the Dragon” drew 9.9 million viewers on traditional TV and online on Sunday, making it the best-ever series debut in the network’s history.

The prequel to HBO’s hit fantasy program “Game of Thrones” also enjoyed the largest series launch on the company’s HBO Max streaming service globally. Fans flooded social media in anticipation of the premiere. Thousands of US customers reported trouble viewing the series online when it debuted there at 9 p.m. Eastern Time.