Diane: Frasier, a sunburn?
Frasier: No, I'm doing my impression of a blood blister.
Carla: Hey, Frasier. You know, there's something I've always been meaning to ask you. What was your reaction the first time you saw Diane naked? [Carla slaps Frasier on his sun-burnt back]
Frasier: [screams in agony]