Arthur was sent to the store to buy milk, but when he returns over an hour later, he has no milk, but instead a ping pong table he found at a yard sale down the street. Arthur challenges Doug to a game, and Doug, thinking the game will be easy, is surprised to find that Arthur is a ping pong champion. Doug then sets out on a mission to step up his game so he can finally beat Arthur at a game. He starts to train with Carrie, only to find that she is just as skilled as Arthur.
Meanwhile, Spence is upset that his girlfriend Denise has taken a new job as a cocktail waitress at the bowling alley.