After a long battle with Bone Cold, Kid Muscle finally pulls together and calls upon the power of Ultimate Muscle. With one final Muscle Millennium move, he takes out Bone Cold and claims his third victory of the Ultimate Muscle Challenge. However, when he can't light the torch, he sees Bone Cold and his father Skullduggery make up their ways and become family again. Terry and Checkmate have also become friends, despite their differences, and now, having learned this, Kid lights the third flame and claims the true power of Ultimate Muscle!