
Norman: Are you here visiting somebody?
Frasier: Oh no. I'm just here with a friend of mine, Roz. She's here doing some community service.
Norman: Ah, the Angel of Death, nice girl.
Most Frasier episodes try to build themselves around one main plot or specific theme, with subplots and such around the edges. "Roz's Krantz & Gouldenstein Are Dead" is more of a melange, with two main stories build on slightly different themes which nonetheless end up intersecting. It's a very pleasant episode, built around scenes of genuine insight mingled with its humor, and not demanding too much of the viewer in terms of following a story.