Jon Snow may not be able to tell the difference, but HBO clearly understands what a great TV show is.

This network has been renewed already House of the Dragon, which centers on the Targaryen family power struggle, for a second season. We are proud of the whole thing. House of the Dragon team has accomplished with season one,” HBO’s Executive Vice President of Programming Francesca OrsiIn a statement, the 26-year-old said. Our amazing cast and crew took on a huge challenge, and delivered a show that is now a must-see TV program.

These are not unexpected news. Game of Thrones fans, who broke records with the Aug. 21 premiere. The debut episode saw the largest audience for any new original series in HBO history, according to the network. What’s more, HBO said the first episode—which set the stage for the civil war dubbed the Dance of the Dragons—has now been seen by over 20 million viewers in less than a week.