Continuity mistake: Marty is working on a jigsaw puzzle and its box is sitting on the edge of the table. During the scene it rotates ninety degrees. (00:03:50)
Continuity mistake: Roz is in her booth and Kenny is talking to her. Her hair is hanging loosely in front of her ear but as Kenny says, "To hash out some rules", her hair is suddenly tucked behind her ear, even though she never touched it. (00:06:05)
Continuity mistake: Roz is in her booth on the phone and the pencil on her clipboard changes position from shot to shot. (00:06:20)
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.