Mr. Garrison: OK, children. Let's start the day with a few new math problems. What is 5 X 2? Come on children, don't be shy. Just give it your best shot.
[Clyde puts his hand up.]
Mr. Garrison: Clyde?
Mr. Garrison: OK. Now let's try to get an answer from someone who's not a complete retard.
When the switch is thrown to electrocute Terrence and Phillip, it's pulled downwards. A few shots later, we see Cartman jump in to save T and P by turning the switch off. He also pulls the switch downwards instead of pushing it upwards.
This cracks me up every time I see it. If you think Satan is really cut have a close look at his abs. They are in the shape of a big penis.