It is a prequel to the Game of Thrones television series that will explore the campaign in which Aegon I Targaryen conquered most of Westeros. Together with his sisters-wives, Visenya and Rhaenys, and your dragons Balerion, Vhagar and Meraxes, the Targaryens subdued (six) of the Seven Kingdoms and change Westeros forever. A total of three seasons, with 10 episodes each.