When Countess Zoe is questioning Princess Veronica if she thinks that a commoner loves her, the spoon in the teacup she is holding travels quickly from the cup to her outstretched right hand from shot to shot.
When Albert tries to be funny for Leslie he accidentally sits on his straw hat and squashes it. When he leaves the room, he puts on the hat which is undamaged.
Throughout most of the film, the lighting produces shadows and effects which would be inconsistent with the natural or artificial lighting in the scenes. This occurs both indoors and outdoors.
A zipper and seam can be seen from the top of the head all the way down the back of the human-sized frog in the dream sequence.
After kissing Princess Veronica's hand the second time, Jimmy predictably bumps into the statue a second time as he is leaving. Instead of falling and breaking, it actually separates into two broken pieces as it's falling, which may indicate that at least one prior take was filmed in which the statue was previously broken.