The Oleson and Ingalls families travel to a fair in Mankato, where Mary hopes to spend time with a boyfriend. Instead she is propositioned by her boyfriend's boss. Meanwhile, Caroline takes part in a competition for perfect pickles, Nels and Charles enter a donkey-riding contest, and Laura has a hard time keeping up with Carrie. Later, Carrie falls asleep inside a hot-air balloon that accidentally gets released. Drama, starring Michael Landon