Al cannot afford to buy an air conditioner for the hot summer. After an attempt to install an old experimental model, (which results in a neighborhood blackout) Al moves his family into the local supermarket. After a while, they are told by the manager to buy something otherwise they will be sent to the county jail. Al decides to purchase a stick of gum and as he approaches the checkout line, sees Marcy. He decides to cut in front of Marcy and becomes the one millionth customer winning a shopping spree worth $1,000.

While on their way to Los Angeles for a "Shoe Convention," the Bundy's car breaks down in the small town of Lucifer, New Mexico where they meet an old prospector who gives them a map to an old gold mine in the area in exchange for their car. They phone Marcy and Jefferson who come to the rescue, thinking that the kids are dying. But it turns out that Al and Peggy want their money for the mine deal. Then the six of them go off in search for the gold...