Steve Urkel crash-lands in the Lamberts' yard as they are barbecuing. He turns out to be Mark's science fair partner. After the science fair, he talks to Al, who has has been dumped 의해 a boy she likes for the school dance.
Dana and her friend, Bernice, go to a seedy nightclub to hear a folk singer perform. But when some of the bar's regulars get a little too rough with Dana and Bernice, they don't know what to do.
Karen and Al convince Dana to take them to a college party. Karen has her eye on a cute guy named Jeremy, but Jeremy decides to dance with Al instead. Karen is fuming, even though she had caught the eye of others at the party...