Invention Exchange (Segment One): Joel's original invention, the Mexican Jumping Bean Bag Chair, was eaten by Gypsy, so he presents the Candy Adding Machine. The Mads present Water-Polo Foosball when they fill a foosball table with water. The foosball players are all Dr. Forresters and TV's Franks. Segment Two: The SOL crew discusses the Cold War, and the Charlie McCarthy Hearings. Artist renderings strike again. Segment Three: The Civil Defense Quiz Bowl...Los Alamos (represented by Crow) versus Oak Ridge (Tom Servo) versus a housewife from Long Neck (Gypsy)!