Bob's old friend Murdock is in town for a day to sell a complex giveaway item to a Chicago cereal company. Bob invites him to stay overnight, but the brief encounter stretches out to a week when Murdock can't make his business connections.
After students and teachers begin swapping their useless junk with each other, Mr. Boynton and Old Marblehead trade like mad for majority ownership of Walter Denton's old car.
The Clampetts are overjoyed to discover a rustic village on the back lot of the Mammoth Pictures studio; they decide to settle in the rustic prop hamlet.