Audio problem: When the guy goes to draw his gun on "Indy" George in the beginning, there is the sound of it coming out of a hardened holster, but the guy didn't have a holster on. The gun was in his belt.
Audio problem: When RJ's son is attempting to throw Stanley out and is taking his mop, he is saying a few things. His mouth doesn't match.
Chosen answer: It's making fun of "Badges? We don't need no stinkin' badges!" which is an often referenced 'quote' from "The Treasure of the Sierra Madre" (Actually, the real line is "Badges? We ain't got no badges. We don't need no badges. I don't have to show you any stinking badges!", but that's the way people say it.)
Myridon
Mel Brooks borrowed the line in "Blazing Saddles." In that film, the line actually was "We don't need no stinkin' badges."
Leicaman