Mistakes
In the scene where the ATF fires at the group of people coming out of Mr. Mackey's party, they drop dead. A few shots later when the ATF aims the big gun at the door, the bodies and bullet holes in the house are gone. See more...
Trivia
If you look carefully at the logo for the toy store, notice the man's face. Looks almost identical to the face of the leader of the Super Adventure Club. The club that in the episode "The return of Chef" was into molesting children. See more...
Movie Mistakes blog
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Other great sites
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starring Isaac Hayes, Matt Stone, Mona Marshall, Trey Parker (add more)
Screenshots of mistakes that have been online for less than a year are only visible to members, but the rest are available to everyone. Don't forget to check out the picture of the day, updated daily, and the top 30 screenshots too.