Accusations fly as several rival pairs try to figure out who controls the game behind the scenes in a new episode of "The Challenge All Stars: Rivals."

Corey and Big T came into the season as rivals, thanks to their major falling out in Season 39, but they quickly patched up their relationship and became strong partners right away. Still, their happy reunion wasn’t enough to get them through to the finish line.

Tonight during “Old Friends, New Rivals”, the contestants try to figure out who is in charge behind the scenes.