Andrea and Jesse's impromptu engagement leads to tension in the Zuckerman household, which upsets the pregnant freshman. Meanwhile, David's dealer stashes a large amount of drugs at the beach apartment, which could land David in serious trouble.
Mrs. Garrett and the girls return from their vacation and they reminisce about their summer exploits.
A Bicentennial celebration in New York brings out a horse thief, a tourist with a black eye, and a "lady" who sells Bicentennial buttons for 60 dollars.
Tom and Abby discover that Susan is pregnant.
A poor elderly man decides to support himself and a friend by stealing from a rich one; guest Denver Pyle.