Unlucky Breaks, Wedding Cakes & Tummy Aches

S4 E10: An unusually unlucky guy finds a potato chip that turns his life around...until it ultimately drives him insane. When one couple challenges another to see who can lose the most weight, a woman goes to ridiculous lengths to make sure she and her boyfriend are victorious. A guy agrees go to a wedding with his ex...but no good deed goes unpunished as the weekend turns into a fight for his life.