HBO has renewed Game Of Thrones prequel House Of The Dragon for a second season.The show’s renewal comes after the first episode debuted on Sunday (August 21), which has been watched by 20 million viewers in the US across linear, on demand and HBO Max platforms, according to the network.Francesca Orsi, executive vp of HBO programming, said: “We are beyond proud of what the entire House Of The Dragon team has accomplished with season one. Our phenomenal cast and crew undertook a massive challenge and exceeded all expectations, delivering a show that has already established itself as must-see TV.“A huge thank you to George R.R.