The gloves (and clothes) are off at the muddy "Playing Dirty" challenge as the All Stars wrestle to control who gets voted into the Arena. The newly formed Treehouse alliance makes major moves to crush players who stand in their way. A pair of shocking surprises threaten to completely change the game.

Lines are drawn at the "Sidetracked" challenge after several All Stars team up to target their biggest competition. Two players are shocked to find themselves on everyone's radar when a notorious veteran accuses them of being more than just allies. An All Star puts a friend's game in serious danger and must pay the price.