Everything You Need to Know About ‘Game of Thrones’ Premiere

There's never been a global television powerhouse quite like "Game of Thrones." Its audience has only built year after year since it premiered in 2011, and as the series roars back Sunday, the potential ratings numbers being bandied about are truly phenomenal, perhaps as high as 1 billion viewers. Because of the enormous interest and to avoid spoilers leaking out, producers have arranged for the show to air at the same time all over the world.