Searxng/House of the Dragon Seaso TV HBO unveils a fiery new House of the Dragon Season 3 trailer and poster, teasing epic battles, dragon action, and the return of the Targaryen civil war next ... May 7, 2026 AceShowbiz - The promotional campaign for House of the Dragon Season 3 is intensifying as HBO unveils a new look that teases some of the most eagerly awaited moments in the series. After a two-year hiatus, the Game of Thrones prequel is set to return next month, promising to fully immerse viewers in the Targaryen civil war famously known as the Dance of the Dragons.