Sheryl, Brandon's old girlfriend from Minneapolis, stays with the Walshes for the weekend. A concerned Cindy asks Jim to have a talk with Brandon. Before he gets around to it, Sheryl spends the night in Brandon's room. Sheryl seems obsessed with wealth and fame, and takes a liking to Dylan and his Porsche. Brandon believes that Dylan is hitting on Sheryl and punches him. Brandon is stunned to learn that he was not the first guy to sleep with Sheryl. Sheryl's mother calls Cindy and reveals that her daughter ran away following a fight with her stepfather. Brenda babysits for her handsome algebra teacher, with ""help"" from Kelly and Donna. She no longer finds him appealing after watching his wife push him around. Music: ""In the Mood"" by Glenn Miller (#1, 1940); ""I Wanna Be Rich"" by Calloway (#2, 1990); ""Hippychick"" by Soho (#14, 1990)