See a Blow-by-Blow of the Mountain's Moves

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This Sunday's episode, "The Mountain and the Viper," anticipates a showdown between Gregor Clegane and Oberyn Martell to determine Tyrion's fate. Want a closer look of Cersei's champion in action? See storyboards from the Mountain at practice last week below.

Ready to rumble yet? Watch a preview of Sunday's episode:

Make your fight prediction in the comments below. As always, please avoid any book spoilers.