New Game of Thrones Trailer Live! HBO have posted a new trailer for season 3 of Game of Thrones and we have to say it’s genius! Consisting of simple full face portraits of the characters its very simple but very effective. It also reminds us just how fantastic the casting is for this show. Season 3 starts in the US on March 31st in the US and we cannot wait! Are you looking forward to Season 3 of GOT – let us know in the Facebook comments below!