The Worm Turns

Mad scientist Mickey has just brewed up a potion; to test it out, he squirts it on a fly that's been trapped by a spider, a (regular) mouse being harassed by a cat, then the cat when Pluto goes after it, and Pluto when dogcatcher Pegleg Pete goes after him. Each of the underdogs turns against his tormentor.

• Ben SharpsteenDirector

• Walt DisneyMickey Mouse (voice) (uncredited)
• Pinto ColvigPluto (voice) (uncredited)
• Billy BletcherPete (voice) (uncredited)
• Clarence NashSpider / Cat (voice) (uncredited)