What is the House of the Dragon Season 3 plot? House of the Dragon Season 2 was a slowburn, but Season 3 will bring us the bloodshed we’ve been waiting for. Amazon Music Embed Widget - album House of the Dragon : Season 1 (Soundtrack from the HBO® Series) House of the Dragon Season 3 began filming officially in March 2025, and now after a long eight-month shoot, the Game of Thrones spinoff has wrapped up. Helmed by showrunner Ryan Condal, House of the Dragon will return next year.