Bobby is worried because he's been invited to his first boy-girl party, where the kids will play Spin the Bottle. Luanne is worried because she has a big hairstyling test coming up. When Luanne brings home a plastic "practice head," Bobby secretly starts using it to practice interacting with the opposite sex. To Peggy's horror, she walks into Bobby's room and finds him kissing the plastic head. (thetvdb.com)