This new episode is called “The Mountain and the Viper,” a title which refers to the duel to decide the future of Tyrion – as in, if he’ll have one. His champion, representing him in a duel to the death, is Oberyn Martell, also known as the Red Viper. The Viper faces the formidable Gregor Clegand, known, for obvious reasons, as “The Mountain.” Expect an epic duel of Princess Bride proportions…