This episode marks the final appearance of Pedro Pascal. Gregor takes advantage of his distraction to knock Oberyn down, and confesses to the murder of Elia and her children while crushing Oberyn's skull with his hands. This scene was acclaimed by critics. The short joyful moments for Tyrion and Jaime are shattered, as Tywin stands and proclaims the will of the gods is clear: Tyrion is guilty and sentenced to death. Weiss and directed by Alex Graves.

When news reaches Castle Black, Sam fears for Gilly; Pyp and Edd reassure him that Gilly has survived worse and may yet be alive. On Gregor "The Mountain" Clegane (left) and Oberyn "the Viper" Martell (right) engage in a trial by combat. This episode contains content from three of George Martin's novels: "The Mountain and the Viper" was watched by an estimated 7.17 million people during its first airing.The episode received high praise from critics and audiences alike, with the fight between Prince Oberyn and the Mountain being hailed as the episode's highlight.

Ramsay reports his success at Moat Cailin to his father.In Dany's audience chamber, Grey Worm comes to apologize to Missandei, but she tells him he doesn't need to. Littlefinger seems impressed that she made such a calculating decision, but attempts to cast doubt on her certainty, by asking if she really knows what he wants. Tyrion's trial by combat begins. "The Mountain and the Viper" is the eighth episode of the fourth season of Game of Thrones. Reek, assuming his previous identity as Theon, enters Moat Cailin and convinces the occupying Ironborn to surrender in return for safe passage home. Sansa is asked to testify; she reveals her identity, corroborates Petyr's story and convinces the Vale nobility of his innocence. As he evades Gregor, Oberyn repeatedly taunts Gregor by constantly bringing up his part in the murder of his sister, However, Oberyn stands too close to his seemingly defeated opponent, and Gregor manages to trip and seize him. As Ellaria screams in horror, a stunned silence sweeps over the crowd. Missandei sees Grey Worm watching her bathe and covers herself up, but later tells him that she is not offended and laments his castration. Oberyn gains the upper hands and knocks Gregor to the ground, but instead of killing him, Oberyn screams at him to confess that Tywin gave him the order to kill Elia and her children. "The Mountain and the Viper" is the eighth episode of the fourth season of HBO's acclaimed fantasy television series Game of Thrones, and the 38th overall.

He hopes he didn't frighten her, and she says he did not. It premiered on June 1, 2014. He grows apprehensive to find a helm-less Oberyn drinking, and wearing very light armor – in comparison to his opponent, Ser Oberyn fights against the Mountain in the trial by combat.Oberyn, after impressing the crowd with a display of acrobatic spear maneuvers, goes on the attack, stabbing out at Gregor and constantly moving out of the knight's reach, forcing Gregor to tire himself out chasing his opponent.