Kyle: Cartman, you have such a fat ass, that when you walk down the street people go, "God, dammit thats a big fat ass!'
Cartman: They do not!
Random guy: God Dammit, thats a big fat ass!
Kyle says he has to log on before school. The next shot shows "Monday 8 days later." 8 days before is a Sunday.
The creators of the show, Matt Stone and Trey Parker, based the Stan Marsh and Kyle Brosfloski characters after themselves (Stan being Parker and Kyle being Stone.) The Eric Cartman character was partly based on Archie Bunker.