The first episode, released on HBO Max, focused on the long-awaited Battle of the Gullet, where Team Black, led by Rhaenyra Targaryen, suffered heavy losses. The episode shows Rhaenyra considering a proposal from Alicent Hightower to seize King’s Landing and remove Aegon II from power.
Season 3 of House of the Dragon started out with a bang. pic.twitter.com/xPEWxkmw3o
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The situation shifts when it is revealed that a severely injured Aegon II has been secretly taken out of the Red Keep by Larys Strong. However, his escape attempt fails after he is captured by forces loyal to Rhaenyra.
At sea, intense fighting breaks out between the Triarchy fleet and Rhaenyra’s forces under the command of Lord Corlys Velaryon. The battle quickly turns devastating as dragons unleash massive destruction, turning the battlefield into chaos and fire.
A major turning point comes when Rhaena Targaryen’s dragon, Sheepstealer, joins the fight but becomes uncontrollable, causing destruction to both enemy and allied ships, worsening the situation.
The most emotional moment of the episode occurs when Jacaerys Velaryon and his dragon Vermax are killed during the battle, delivering a severe blow to Team Black’s cause.
Meanwhile, political tensions continue in King’s Landing, where Alicent Hightower tries to influence Aemond Targaryen as the civil war enters a more dangerous phase.
The season premiered on June 21, with eight episodes scheduled to air weekly on Sundays. The season finale is set for August 9, 2026.
