Do you side with House Lannister, Targaryen, or Stark? HBO wants you to share your allegiance using the hashtags #HouseStark, #HouseLannister, or #HouseTargaryen, which generates an auto-response video teaser. Give it a try on Twitter — and follow us there while you’re at it. The sixth season of Game of Thrones will premiere on April 24, 2016.