When Butters tells General Disarray about his idea for the monorail, Dougie says the Simpsons did it in Episode 204, but the actual episode was the 12th of Season 4, episode number 71. See more
Wow, that's a lot of semen Cartman.
Yeah, I bought all that I could at this bank, and then I got the rest from this guy Ralph in an alley.
Yeah, and the sweet thing is; the stupid asshole didn't even charge me money for it. He just made me close my eyes and suck it out of a hose.