Petticoat Junction - Season 3 Episode 19 Yogurt, Anyone?

High-schooler Betty Jo is on the verge of breaking up with her latest boyfriend Edward. He believes Betty Jo is intellectually immature. The problem is that she now has no date for Saturday night's basketball game. Betty Jo meets an older college boy named Chuck, who is visiting relatives in Hooterville. Chuck believes Betty Jo is an intellectual Emily Dickinson College girl, which she doesn't correct. In an effort to impress Chuck on their upcoming date, Betty Jo tries to be what she believes a college girl should be. But in the end, she finds she's better off with Edward. Meanwhile, Uncle Joe is collecting loose pieces of string to roll into one really big ball.