Togetherness can be really funny when the whole Bradford household is quarantined, including Nancy's blind date, after Mary's boyfriend comes down with a mysterious ailment.
The furnace is on the blink, causing a cold front in the Bradford house, but Tom dismisses Mary's offer to fix it; Susan's chance for an internship conflicts with Merle's offer to play winter ball in Puerto Rico; Nicholas goes on strike for a raise in his allowance.
The family makes itself scarce for Tommy's intimate graduation party, but when Tommy is called away to help an injured Irving J. Moore, word gets out that the Bradford house is unoccupied, leading to an all-out brawl for the Class of 1980.
Tommy contemplates buying a used car; Elizabeth develops an inferiority complex about her appearance; the Vice-President accepts Nicholas' invitation to join the Bradfords for Thanksgiving dinner.