House of the Dragon is an American fantasy drama television series, a prequel to Game of Thrones (2011–2019). Both series are based on the A Song of Ice and Fire novels by George R. R. Martin. House of the Dragon was created by Martin and Ryan Condal for HBO; Condal and Miguel Sapochnik are the showrunners. Based on parts of the novel Fire & Blood, the series is set about 200 years before the events of Game of Thrones. It portrays the beginning of the end of House Targaryen, the events leading up to and covering the Targaryen war of succession, known as the "Dance of the Dragons".  

House of the Dragon received a straight-to-series order in October 2019 with casting beginning in July 2020 and principal photography starting in April 2021 in the United Kingdom. The series premiered on August 21, 2022, and its first season will consist of ten episodes.