NewsTrailers Game of Thrones Season 7: Official Teaser – Sigils by Millennium posted on March 9, 2017 0 OKAY. So, I usually don’t post much about HBO’s Game of Thrones… but, after seeing this EPIC teaser trailer, I knew I had to share. Check out the awesomeness! Season 7 of Game of Thrones premieres on July 16th! Millennium Yes, to anyone that is wondering, I am a huge Star Wars fan.