The wait for the return of Queen Rhaenyra and the Targaryen dynasty is nearly over. Following the massive prequel series that captivated audiences since its 2022 debut, 'House of the Dragon' Season 3 will premiere on Sunday, June 21, 2025, at 9 p.m. ET on HBO Max.
Season 3 Release Schedule and Episode Count
The third season consists of eight episodes, airing weekly every Sunday at 9 p.m. ET, with the finale scheduled for August 9, 2025. According to USA Today, the new season arrives after what was described as an anticlimactic conclusion to the second season. Despite mixed reviews of the previous season's finale, anticipation remains high for what many expect will be a pivotal chapter in the ongoing civil conflict that forms the backbone of the series.
Plot Expectations for the Upcoming Season
While some plot elements remain undisclosed, the third season is expected to cover key events from the source material, such as the Battle of the Gullet and the escalating conflict between the two feuding branches of House Targaryen. As the series progresses, the war that has dominated the show appears to have taken on a life of its own, with no sign of abating. The Sea Snake prepares for another chapter of the Dance of the Dragons as 'House of the Dragon' Season 3 premieres.
Returning and New Cast Members
The ensemble cast returns with both familiar and new faces. Emma D'Arcy continues in the central role of Queen Rhaenyra Targaryen, while Matt Smith reprises his role as Daemon Targaryen. Olivia Cooke returns as Alicent Hightower, with supporting cast members including Rhys Ifans as Otto Hightower, Fabien Frankel as Ser Criston Cole, Steve Toussaint as Corlys Velaryon, Harry Collett as Jacaerys Velaryon, Bethany Antonia as Baela Targaryen, Tom Glynn-Carney as Aegon Targaryen, and Ewan Mitchell as Aemond Targaryen. Ewan Mitchell's Prince Aemond returns as the conflict between rival Targaryen factions escalates.
Additional returning performers include Phia Saban as Helaena Targaryen, Sonoya Mizuno as Mysaria, Matthew Needham as Larys Strong, Phoebe Campbell as Rhaena Targaryen, and Jefferson Hall, who portrays both Tyland and Jason Lannister. New cast additions for the season include Tommy Flanagan from 'Sons of Anarchy' and Dan Fogler from the 'Fantastic Beasts' franchise, among others. The ensemble also features Kieran Bew as Hugh Hammer, Clinton Liberty as Addam of Hull, Abubakar Salim as Alyn of Hull, Gayle Rankin as Alys Rivers, and Freddie Fox as Ser Gwayne Hightower.
Future Seasons Already Greenlit
The series has already been secured for a fourth season, which received its renewal in November 2025. The fourth season is scheduled to premiere in 2028, ensuring that viewers will have the opportunity to follow the Targaryen conflict through multiple additional chapters beyond the current season.
