On Sunday, April 14, the eighth and final season of Game of Thrones will premiere. If you don't have cable, you can sign up for HBO Now, a standalone subscription that costs $15 a month. HBO Go is free, if you have HBO in your cable or satellite TV package. With Go or Now, you can stream Game of Thrones on supported phones, tablets and more. Game of Thrones airs in America on Sunday evening at 9 PM Pacific and Eastern time.