Are You Ready For The Game of Thrones Season 4 Trailer!? January 12, 2014 The first look at the “Game Of Thrones” Season 4 trailer is here !!!! This full trailer premiered on Sunday, Jan. 12 at 8:58 p.m. EST on HBO, right before the premiere of “True Detective. Game Of Thrones Season 4 premieres on April 6 at 9 p.m. EST on HBO. Enjoy !!!! Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Notify me of follow-up comments by email. Notify me of new posts by email.