House of the Dragon season 3 premiered in the United States on June 21, 2026. HBO announced an eight-episode season, released weekly, with its finale scheduled for August 9, 2026. HBO’s published cast list names 28 actors, but its announcement gives no episode-by-episode plot or season-specific synopsis.
When did House of the Dragon season 3 come out?
The US premiere was Sunday, June 21, 2026, at 9 p.m. ET/PT on HBO and HBO Max. HBO announced eight episodes, with new episodes weekly and the finale scheduled for August 9, 2026. Those dates are the announced US schedule; the available sources do not establish a separate schedule for other countries. HBO’s season announcement and the HBO Max Help Center both give June 21 as the US premiere date.
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Who is in the season 3 cast?
HBO’s season 3 announcement lists these actors:
- Matt Smith
- Emma D’Arcy
- Olivia Cooke
- Steve Toussaint
- Rhys Ifans
- Fabien Frankel
- 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
- Barry Sloane
The announcement supplies a cast list, not actor-to-character assignments. HBO’s announcement also credits Ryan Condal as co-creator, showrunner and executive producer; George R. R. Martin as co-creator and executive producer; and Sara Hess, Melissa Bernstein, Kevin de la Noy, Vince Gerardis, David Hancock and Philippa Goslett as executive producers.
What is season 3 about?
The official announcement does not provide a season-specific synopsis. Its description is a series-level premise: “Based on George R.R. Martin’s ‘Fire & Blood,’ the series, set 200 years before the events of ‘Game of Thrones,’ tells the story of House Targaryen.” That establishes the show’s source material and broad setting, but not season 3’s particular events or character outcomes. Claims about specific season 3 plot points should therefore be treated as unconfirmed unless supported by a separate official synopsis.
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Where can you watch season 3?
HBO identified HBO and HBO Max as the US premiere outlets. The HBO Max Help Center confirms the US premiere date and says seasons 1 and 2 are available on the service. These sources do not establish season 3 availability outside the United States or provide current subscription pricing.
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