Courage the Cowardly Dog - Season 3 Episode 16
Night of the Scarecrow

After leaving a county fair, the Bagges get lost through a cornfield and crash into a scarecrow. They take him home where Muriel fixes him up and makes him a mouth so he can talk. But he becomes depressed when he isnt scary enough to frighten away Muriels attackers, so he decides to train himself to be a much stronger and scarier scarecrow.