As we speculated with the release of new images from Season 6 of Game of Thrones, it looks like this Sunday HBO will air a new teaser for the season at 8:59PM, just prior to the premiere of Vinyl. There seems to be a very short extract from the teaser in the tweet announcing this:
Send a raven. The #GoTSeason6 tease will air this Sunday at 8:59PM ET before @VinylHBO
— Game Of Thrones (@GameOfThrones) February 12, 2016
(WARNING: You will be teased)https://t.co/93Pl8aCEie