When the buddies are at the movie theater, 101 Dalmatians is playing. When they go into the projection booth, the movie is at the part where the puppies are just born, near the beginning of the movie. As they walk in front of the projection, it skips to the end where the puppies are trying to escape Cruella.
(at around 23 mins) The donut on the ground has been bitten into, but next shot of donut there is no bite.