Someone to Watch Over Me - S2-E19
Continuity mistake: Frasier and Roz are in his booth and Roz puts her chocolate bar on the counter. While Frasier is on the radio, we sometimes see it at his left elbow and sometimes it is not, even though the angle doesn't change. (00:02:20)
Answer: In the last episode, they explained that Tossed Salad and Scrambled Eggs is a metaphor for the mixed-up people to whom Frasier dispenses his radio psychiatric advice.