HBO releases official trailer for House of the Dragon season three

HBO has released the official trailer for the upcoming third season of its original drama series, House of the Dragon. The new season is scheduled to premiere on Sunday, June 21, 2026, at 9:00 p.m. ET/PT.

The upcoming installment will consist of eight episodes. New episodes will broadcast weekly on HBO and will be available concurrently for streaming on HBO Max, leading up to the season finale on August 9.

Based on George R.R. Martin’s book Fire & Blood, the drama series is set 200 years before the events of Game of Thrones and focuses on the history of House Targaryen. Ryan Condal continues as co-creator, showrunner, and executive producer alongside co-creator and executive producer George R.R. Martin. Additional executive producers for the third season include Sara Hess, Melissa Bernstein, Kevin de la Noy, Vince Gerardis, David Hancock, and Philippa Goslett.

The ensemble cast features returning and new members, including Matt Smith, Emma D’Arcy, Olivia Cooke, Steve Toussaint, Rhys Ifans, and Fabien Frankel. The season three lineup also includes Ewan Mitchell, Tom Glynn-Carney, Sonoya Mizuno, Harry Collett, Bethany Antonia, Phoebe Campbell, Phia Saban, Jefferson Hall, Matthew Needham, James Norton, Tom Bennett, Kieran Bew, Kurt Egyiawan, Freddie Fox, Clinton Liberty, Gayle Rankin, Abubakar Salim, Tom Cullen, Tommy Flanagan, Dan Fogler, Joplin Sibtain, and Barry Sloane.