Yogi Bear's Adventures of Dumbo is an another Hanna-Barbera crossover film by TheCityMaker. It appeared on March 30, 2011.
Yogi Bear and his friends have travel to the circus and board the circus train, Casey Jr. While onboard they realize that one of the elephants was expecting and met Dumbo, a young elephant with large, floppy ears. While the other elephants ridiculed him, Yogi and the gang didn't laugh at him because they thought that they look good on him. Later, when his mother was imprisioned, they met Timothy Q. Mouse and they realized that he could use his large, flappy ears to take flight and he became the star of the circus and his mother was let out and they share a private coach at the rear of the train.