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Betty Jo (Linda Kaye) has set her sights on purchasing a motorbike; all she needs now is the money. What to do? What else but set up a baby-sitting service at the Shady Rest Hotel--meaning that Betty's mom Kate (Bea Benaderet) will be saddled with the squalling infants when things inevitably get out of hand. Curiously, although Frank Cady is very prominent in his familiar role as storekeeper Sam Drucker in this final episode of Petticoat Junction's third season, Cady receives no screen credit.