Revealing: When Cartman walks in on Sally Struthers eating the cake, the cake has holes in it, and part of her hair goes in front, and part of it is visible through the cake. All of the other slices have holes in the same place as well.
Great sites
Trivia
If you look carefully, you can see that the driver of Leo Dicaprio's limo is a Visitor. See more...
South Park (1997) - 1 mistake in "Starvin' Marvin"
starring Isaac Hayes, Matt Stone, Trey Parker (add more)
Starvin' Marvin (season 1, episode 8)
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