The day the series was scrapped, “House of the Dragon” was announced.Įmma D’arcy (Amazon’s short-lived horror-comedy “Truth Seekers”) plays Princess Rhaenyra Targaryen. But the network decided not to move forward with that one. Back in 2019, HBO actually shot a pilot for a “Game of Thrones” prequel set to star Naomi Watts. It’s the first project to make it to series out of a number of “Game of Thrones” spin-offs HBO has in development. The first season will be 10 episodes long. Martin that was written as a companion to his “A Song of Ice and Fire” series. “House of the Dragon” will expand the world of the megahit fantasy series, telling a story about the golden-haired, dragon-riding royals of House Targaryen – the family that produced Daenerys Targaryen ( Emilia Clarke ) and Jon Snow ( Kit Harington ) – two centuries before the events of “Game of Thrones.” It’s based on “Fire & Blood,” a novel by George R.R. The cable network has a “Game of Thrones” prequel series called “ House of the Dragon” ready to debut on HBO Max next year. Will the fan disappointment over the final season of “ Game of Thrones” subsided enough by 2022 that the world will be ready to return to Westeros? HBO is banking on that outcome.