Step by Step - Season 4 - Eps 23: Big Girl on Campus
Carol decides that they need to get rid of all of Frank's old junk. They have a yard sale where Frank tries to sell things for $15-$50, but a guy smoking a cigar will only offer a quarter in return. At the end of the day, they have only made a nickel when the guy with a cigar comes back and offers a quarter for everything left. Carol quickly accepts his CHECK. Dana is going to a college party. After a great deal of coaxing, Karen and Al convince Dana to take them with her. Karen surveys the room and picks a guy, Jeremy. Jeremy, however, chooses Al. Despite being asked to dance by 12 other guys and receiving a marriage proposal, Karen considers the whole party a waste. She and Dana then find out that Jeremy's intentions were less than pure. They rush to Al's rescue and help her get revenge.
About Step by Step

Title: Step by Step
First Air Date: 1991-09-20
Last Air Date: 1998-06-26
Status: Ended
Rating: 7.717/10 (from 392 votes)
Language: EN
Seasons: 7
Total Episodes: 160
Network: ABC
Genres: Comedy, Family
Production Companies: Warner Bros. Television, TyC Sports
Synopsis
Step by Step is an American television sitcom with two single parents, who spontaneously get married after meeting one another during a vacation, resulting in them becoming the heads of a large blended family
Cast

Patrick Duffy
Frank Lambert

Suzanne Somers
Carol Foster Lambert

Brandon Call
J.T. Lambert

Staci Keanan
Dana Foster

Christine Lakin
Alicia Lambert

Angela Watson
Karen Foster

Christopher Castile
Mark Foster

Jason Marsden
Rich Halke

Emily Mae Young
Lilly Foster-Lambert

Alexandra Adi
Samantha Milano