The first time the crocodile-boy's eye falls out, it's his left eye. All other times, it's his right.
When Leonard is searching for Spot around the trailer, the "No Dogs" tire cover is scratched and ruined. In a later scene, it's fine.
At one point Spot breaks out in song and is joined by other animals in a forest. In one shot the sound of a dolphin is heard, although none are present because, again, the scene takes place in a forest.
During the song "A Whole Bunch of World," the Oklahoma flag is being waved in Kansas.
Spot once again dresses as Mrs. Leadready, but with no wig, which Mrs. Helperman didn't comment on.