Game of Thrones season 6 Episode 5 Preview. Game of thrones Season 6 Episode 4 Preview. SPOILER ALERT S6/BOOKS/CASTING/. THEORY. Disclaimer: Images & clips from Game Of Thrones. belongs to HBO and other original creators. used in a fair way here. GOT S06E05 Title : The Door. Synopsis:. Tyrion seeks a strange ally. Bran (Isaac Hempstead Wright) learns a great deal. Brienne (Gwendoline Christie) goes on a mission. Arya (Maisie Williams) is given a chance to prove herself. Also Watch. Game of thrones Season 6 Episode 4 Preview.