The Night’s King watches in new Game of Thrones motion poster Following yesterday’s new photos (view in the gallery below), HBO has debuted a new motion poster for Game of Thrones Season 7 featuring none other than the Night’s King. Check it out in the player below! The series returns to HBO on July 16. RELATED: Things Move Much Faster in Game of Thrones Season 7 At the end of last season, Daenerys’ (Emilia Clarke) dragons and her immense army were finally on the way to Westeros, where Cersei (Lena Headey) has now become Queen after the death of her children.