Jerry and Elaine visit Jerry's parents in Florida, where Jerry's father is being honored by his condominium association. Jerry admires a special astronaut's pen owned by one of the association.
The Christmas season isn’t so merry as the Arnolds host their annual party and discover, to their disappointment, that their neighborhood is changing.
Bickering couples go on a trip to learn what it was that brought them together.
Mark switches places with an attractive movie star who has a low opinion of men.
When Maggie goes back to work after the birth of her baby, Jason hires a young, pretty co-ed to serve as a nanny. Only problem is, Maggie feels threatened and wants the girl fired.