Something Borrowed, Someone Blue (1) - S7-E23
Visible crew/equipment: As Roz and Simon are leaving, and Niles enters the apartment just before telling Martin he's married, the camera pans far too wide. On the left-hand side of the screen, you can easily see the end of the set and crew members in jeans standing around.
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.