Published May 29, 2026, 11:35 AM EDT The Game of Thrones spinoff returns in less than a month House of the Dragon season 3's final trailer promises fire and blood Sign in to your Polygon.com account It looks like House of the Dragon is poised to pay off its debts, because the final trailer for the show’s upcoming third season is a scorcher. After HBO's Game of Thrones spinoff built up a massive conflict between Rhaenyra and her foes, season 2 of House of the Dragon ended on a brutal cliffhanger . The trailer makes it seem like audiences will finally get their big payoff. Battlefields brim with swords and shields, boats burn, and trebuchets fire shrapnel into packed troop formations. [Fair warning: HBO's new trailer for House of the Dragon season 3 might contain a few too many spoilers amid its big action scenes. But if you're hungry for fire and blood, the show's new trailer delivers.] It seems a major point of contention this season will be how Rhaenyra Targaryen chooses to use her fleet of dragons.…