When a scallop bites a hole in the balloon, air is shown coming out, but when Patrick bites it in the end, chocolate comes out.
When SpongeBob is trying to get Patrick to turn around, the amount of fish standing behind him changes between shots.
In the initial shots of the carnival, Mount Climb-Up-And-Fall-Off is not seen. It only appears once Patrick notices it.
SpongeBob states that he prefers to play "Mary Had A Little Lamb" in the key of A minor, yet he proceeds to play the song in C.