Continuity mistake: When Rod first talks about Penile Power, he comes out of the toilet with a Pepsi in hand, but in the next shot the Pepsi is on the table.
Continuity mistake: Rod says he saw the Penile Power ad in a magazine, but when he shows Matt, it is in the paper.
Continuity mistake: When Matt goes to nipple-cripple Crick, his hands are upturned, but when you see the close-up, they are facing the floor.