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House of the Dragon Season 3: Targaryen Civil War Unleashed

2/20/2026

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Summary

Story summary

HBO's House of the Dragon will premiere its third season in June 2026.
The trailer highlights escalating civil war within House Targaryen, including the anticipated Battle of the Gullet.
Rhaenyra Targaryen, portrayed by Emma D’Arcy, and Alicent Hightower, played by Olivia Cooke, clash as tensions rise.
Returning cast members Matt Smith and Rhys Ifans return, with new addition James Norton, as the season remains penultimate before Season 4.

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Story summary

HBO's House of the Dragon will premiere its third season in June 2026.
The trailer highlights escalating civil war within House Targaryen, including the anticipated Battle of the Gullet.
Rhaenyra Targaryen, portrayed by Emma D’Arcy, and Alicent Hightower, played by Olivia Cooke, clash as tensions rise.
Returning cast members Matt Smith and Rhys Ifans return, with new addition James Norton, as the season remains penultimate before Season 4.