‘House of the Dragon’ Season 3 teaser: All-out Targaryen war as Rhaenyra and Alicent collide

HBO Max’s first teaser for ‘House of the Dragon’ Season 3 signals the bloodiest chapter yet, with dragonfire, political betrayal and the long-awaited Battle of the Gullet erupting as Rhaenyra Targaryen and Alicent Hightower push Westeros toward total war