Continuity: A little while after Cartman leaves the group and finds the construction zone, we see a frontal view of the rest of the group. Cartman is still in it.
Great sites
Quotes
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!
Trivia
When the fake Mongolians are attacking the wall with the tape recorder on the ground, the sound effects seem to be taken directly from Microsoft's Age of Empires II. See more...
South Park (1997) - 1 mistake in "Rainforest Schmainforest"
starring Isaac Hayes, Matt Stone, Trey Parker (add more)
Updates: 
Series 12
Rainforest Schmainforest (season 3, episode 1)
You may also like: Friends | The Simpsons | The Matrix | Pirates of the Caribbean: The Curse of the Black Pearl | The Dark Knight
reddit
Facebook