House of the Dragon is an upcoming American fantasy drama television series created by George R. R. Martin and Ryan J. Condal for HBO. It is a prequel to the television series Game of Thrones (2011–2019) and is based on Martin's 2018 novel Fire & Blood. Set two hundred years before the events of Game of Thrones,[2] the series chronicles the beginning of the end of House Targaryen, the events leading up to the Targaryen civil war, known as the "Dance of the Dragons", and the war itself.

House of the Dragon received a straight-to-series order in October 2019 with casting beginning in July 2020 and principal photography beginning in April 2021 in the United Kingdom. The series is scheduled to premiere on August 21, 2022. Its first season will consist of ten episodes.[3]