Carol and the new principal face off on ""The Great Gatsby""; Mike and Nancy debate over whether to try for Baby #2; Phil goes all out to find a missing bowling ball, ""The Devastator"", which magically reappears; Warren reveals to Carol the secret of the class ""Bingo"" game; Molly objects to Ed defending a sleazebag salesman, but Ed maintains that said sleaze has done nothing illegal.

The news that Dennis and Carol have moved in together has Ed scrambling to find the perfect way to revisit the past and win her back; Dennis decides to run for president of the senior class after disapproving of the frontrunner; Warren embarks on his first real date with Diane, only to find that the feelings they have aren't exactly romantic.