https://techcrunch.com/2022/08/26/hbo-grows-its-game-of-thrones-franchise-gives-spin-off-house-of-the-dragon-a-second-season/

Days after HBO’s “House of the Dragon” became the most-watched premiere for a new HBO original series, the “Game of Thrones” prequel series is renewed for a second season. Now that the rumor is confirmed, fans can rest in knowing the Dance of the Dragons is just beginning to unfold.

The company also announced today that the audience has doubled with over 20 million viewers across linear, on-demand, and HBO Max in the U.S, per Nielsen data combined with HBO’s own data. When the first episode premiered on Sunday, August 21, the show had 10 million viewers. HBO and HBO Max have only aired one episode so far.