Mickey Mouse Sound Cartoons Episode 21 The Gorilla Mystery Episode Title:The Gorilla Mystery.Episode Description:Mickey reads about an gorilla named Beppo has escaped the local city zoo in the newspaper and calls Minnie to warn her. Minnie insists she is not afraid and plays the piano for Mickey over the phone. While Minnie is playing, Beppo enters the house and kidnaps her, ties her up and takes her into the attic. Mickey hears Minnie's screams in the telephone and runs over to her house to save her before Beppo strikes back.