Continuity mistake: In the bar, George and Bob's drinks go from about eight inches apart, to almost two feet apart between angles at the end of Stanley's speech.
Revealing mistake: After demonstrating the table saw, Joe looks at the blood squirting stump. As he raises his hand, you can glimpse his real thumb tucked under his hand.
Continuity mistake: As Joe Early attempts to say "table saw", his right hand goes from abdomen high to shoulder height between angles.
Continuity mistake: In Fletcher's office, Fletcher is berating his son about a pencil. As he does so, he's fully beside his son at face level. After the camera changes angles, there's a guy in a white suit sitting far enough away that Fletcher could be between them. Another moment later, the man is shoulder to shoulder with Fletcher's son.
Continuity mistake: When George is talking about the station's programming, his hands are below the desk top, out of sight. When the angle changes, his right hand is suddenly at chest height.
Continuity mistake: After the beginner hits the ground, you see one piece of glass hit the ground. Behind George, after the angle change, the is a large amount of broken glass around the body.
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.
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