The Millers want to spend Christmas Eve at home feasting on the holiday dinner Judy's always dreamed of preparing, but Bill's mother (Sally Struthers) isn't happy with those plans and gives them a guilt trip about visiting her tiny new apartment instead. Elsewhere, Linda decides to make life merrier for someone who's less fortunate when it comes to personal style.

Being the statistician for the school basketball team gives Brian an in with some of the more popular kids, until Bill finds out they're being nice because his son runs their errands. So he evens the score with them by getting them in trouble with their parents after a night of partying.