The 23-year-old son of family friends stays with the Seavers and 14-year-old Carol gets a crush on him and mistakenly believes he asked her for a date.
Everyone but Mike goes to visit Maggie's parents. But when they arrive, they discover that they are selling their house. Maggie offers to give the money they need to keep them from selling the house. But her dad is too proud and doesn't want anything from Jason. Mike decides to throw a party but when people whom he didn't invite show up, who in turn invite more people, things get out of hand.