Oberyn Martell will get a chance to avenge the death of his sister as he acts as Tyrion's champion in the trial by combat.
Tyrion's fate will be decided in the next episode of "Game of Thrones". After Tyrion asked a trial by combat in last week's outing, Prince Oberyn Martell offered himself to be Tyrion's champion and he will finally get a chance to fight The Mountain and avenge the death of his sister.
Prince Oberyn has mentioned before that The Mountain raped and killed his sister. Their fight will be getting the spotlight in the episode which is titled after their nicknames, "The Mountain and the Viper".
Meanwhile, Ramsay Snow and Reek/Theon have arrived at Moat Cailin on the Neck. Ramsay orders Reek to pretend that he's Theon and bring the Moat to him in attempt to prove himself to his father. Mance Ryder and his army attack Mole's Town and Jon Snow is worried as Mance will hit the Night Watch next.
Littlefinger's motives are questioned and Sansa seemingly testifies against him. She says that Lord Petyr Baelish has told many lies and she's telling the truth.
"Game of Thrones" is taking a hiatus on Memorial Day weekend and will return with the new episode on Sunday, June 1 at 9 P.M. on HBO.