Henry Winkler drops by to surprise Drew and talk about the fourth installment of his children's book series, "Detective Duck: The Mystery of the Flash Flood."
Andy and Barney help Jeff, a farmer visiting Mayberry, search for a bride by cleaning him up and teaching him proper etiquette. Unfortunately for Barney, Jeff chooses Thelma Lou as his wife.
Opie joins a secret club and is responsible for the candle they use in their meetings. When the barn the club meets in is burned to the ground, Opie is accused of starting the fire.