When Bart fishes Homera 's vintage a Playdudea magazines out of the trash, he decides to adopt the ring-a-ding-ding lifestyle of the 1970a 's portrayed in the magazines; based on his ten year-old knowledge. Marge enters the Ovenfresh Bakeoff, but when she finds that the other contestants play dirty, she decides to get back at them by sabotaging their dishes. Lisa dis ... Read More

When Bart fishes Homera 's vintage a Playdudea magazines out of the trash, he decides to adopt the ring-a-ding-ding lifestyle of the 1970a 's portrayed in the magazines; based on his ten year-old knowledge. Marge enters the Ovenfresh Bakeoff, but when she finds that the other contestants play dirty, she decides to get back at them by sabotaging their dishes. Lisa discovers what her mother has done and is heartbroken. In the end, Marge confesses and loses the bakeoff, but wins back the respect of Lisa.