Petticoat Junction (1963)

Season 2: Episode 1

It's the first day of school and Kate is having trouble getting a couple of her daughters motivated to go. Betty Jo has a new friend, a little dog that follows her back from school. Kate refuses to let Betty Jo keep the dog, despite it being cute and well trained. Kate believes that he must belong to someone. Betty Jo brings him back to school, but he stills follows her home. Kate decides to let the dog stay until the owner claims him or until the dog starts to cause problems for the family. The dog does end up causing some problems, but Kate has a change of heart and let's him stay.