Gaffes

When Jerry Lewis is painting the ball on the end of the flagpole it is gold. It was stated earlier in the film that there was only one flagpole. Later on in the movie when Quimby (Ray Walston) falls out of a window and hangs from the flagpole the ball is silver.

When a large shelf of supposedly full shoe boxes crashes through a store window, it empties its contents onto the street below. But as they hit the pavement, it's obvious that most of the boxes are actually empty.

When Norman goes gliding through the department store on a boat, a wire is visible pulling it.

Wires are visible throughout the vacuum sequence.

freeze frame when Norman Phiffier (Jerry Lewis) punctures the vacuum balloon and you will see the following : a blank white frame, , a frame of a Coleman camping supplies setting on a table with what could be flames across the top, three frames of clouds of dust, an upside down production still showing Jerry Lewis standing on the ladder left hand resting on his side and his right hand holding the knife resting on the top of the ladder beneath the vacuum balloon before it was punctured looking off camera, a solid black frame and a frame of Barbara Tuttle and her dad standing behind the shelves of dishes.

As Norman Phiffier attempts to load a large mirror onto a delivery truck, a reflection of the camera crew is briefly visible.