Continuity mistake: When Goofy throws his horseshoe at Bradley near the end of the film, it hits him in the neck. But later when you see Bradley, he has a black eye even though the horseshoe never hit him in the eye.
Continuity mistake: The jersey on the chimp goes back and forth between Ribchimpsky (the injured player) and Jack. The numbers on the jersey change as well.
Other mistake: When Hallee Hirsh 's name appears in the credits, a kid on a scooter moves across the screen, and he looks into the camera. (00:00:35)