House of the Dragon Season 1

The prequel series finds the Targaryen dynasty at the absolute apex of its power, with more than 15 dragons under their yoke. In the case of the Targaryens, their slow fall begins almost 193 years before the events of Game of Thrones, when King Viserys Targaryen breaks with a century of tradition by naming his daughter Rhaenyra heir to the Iron Throne.