Rick's girlfriend is secretly knitting him a sweater. When she turns down several dates to work on the project he begins to date another girl, who also knits him a sweater. Now Rick has two sweaters and two girlfriends to juggle.
David and Rick's fraternity tries to find an affordable piano to use for their upcoming Christmas party. The brothers are just about to give up when they meet the Stewarts who offer them their old, but serviceable, upright piano. The boys find a sheaf of Christmas carols in the piano stool and co...
The Nelson's friend, little boy Barry, is expecting a new arrival to his family, and he hopes it's going to be a baby brother. He spends a few nights at the Nelson's, while his mother goes to the hospital "to pick up the baby".
The sorority girls issue a proclamation dictating a dress code that must be adhered to by fraternity boys, when going out on dates. The fraternity boys fight back, and the war of the sexes escalates from there.