Game of Thrones
This is an HBO adaptation of American author George R.R. Martin's epic fantasy novel series A Song of Ice and Fire. 

The show explores a medieval-like fantasy world with its plethora of characters all struggling in the only game that matters - the game of thrones. And in this game you either win or you die, there is no middle ground.

Season 6 Teaser
https://www.youtube.com/watch?v=IxI8aPISq8I