The California Atoms are in last place with no hope of moving up. But by switching the mule from team mascot to team member, (He can kick 100 yard field goals!) they start winning, and move up in the rankings, Hurrah! The competition isn't so happy.
*Sign of Zorro (1960) [between Pollyanna & Ten Who Dared]
*The Best of Walt-Disney's True-Life Adventures (1975) [between One of Our Dinosaurs Is Missing & RIde a Wild Pony]
*Escape from the Dark (1977) [between Freaky Friday & Many Adventures of Winnie the Pooh]