Ajax the killer gorilla has escaped from the zoo. Donald's nephews dress up as a gorilla, but soon Donald encounters the real gorilla, and they chase each other until the radio broadcasts instructions for subduing Ajax.

Credits

Jack KingDirector

Clarence NashDonald Duck / Huey / Louie / Dewey (voice) (uncredited)

James MacDonaldAjax the Gorilla (voice) (uncredited)