S6, E3: When Arthur handily beats Doug in several games of ping-pong, Doug decides to test his skills on Carrie, but is humiliated when he loses once again. In a desperate attempt to keep his ego intact, he asks Arthur to train him so that he can beat his wife. Meanwhile, Spence's girlfriend, Denise, gets promoted to waitress at the bowling alley, but Spence becomes jealous of the flirting she must do to get tips.