The first episode of House of the Dragon has been watched by 20 million people, and has been renewed for a second season, according to an announcement by HBO.
The new count includes viewers who watch on-demand, as well as those who watch on the internet.
It was the largest series premiere in the history of the cable network when it aired on Sunday.
The premiere of The House of the Dragon was watched by 19.3 million viewers, which was a new record for the show.
The House Targaryen is the focus of the House of the Dragon. The cost of the marketing budget for the series was said to be $100 million.
After the first episode of House of the Dragon featured a particularly graphic scene involving a c-section and a fatal birth, some fans and advocacy groups complained that the show should use a warning. The show was known for its depictions of murder and rape.
The premiere of 'House of the Dragon' is the largest in history.