Emmy Lou is standing in a canyon and she's face to face with Lou Costello yet when she cries a tear falls on him from directly above.
When the toast flies out of the toaster it is lightly toasted, but as it comes down it's almost burnt.
When Emmy Lou sprays Uncle Raven with water, he gets soaking wet, but in the next shot he's completely dry.
When Lou Costello is made a booster, a booster hat is placed on his head. But in the next shot it's in his hands and he places on his head himself.
When Lou asks Max to tell him the theory, he is holding an open book. But in the next shot the book is closed.
When Pinsetter runs out of the surplus store carrying supplies for Emmy Lou's dress, he trips on a jerry can that is on display on the sidewalk just outside the store. However it is obvious that Lou Costello purposely sticks out his right leg as he runs by the can in order to knock the can over while feigning to trip over it.
When Emmy Lou finally gets something to drink she finishes it and drops her hand below the frame. While a sound effect of the container crashing to the ground can be heard, Dorothy Provine does not appear to have released the prop. Indeed, in the following shot it is still in her hands.