But while the War of the Five Kings wages on in the Seven Kingdoms, Daenerys (Emilia Clarke) lays a siege of her own across the narrow sea. "Let the priests argue over good and evil. They can live in my new world or they can die in their old one," Khaleesi instructs.
Watch the full trailer below. Game of Thrones returns Sunday, April 6 at 9/8c on HBO.