Continuity mistake: In the scene where Daphne is admiring her faux sapphire earrings, she says that it is the 5-year anniversary of her starting her work at Frasier's apartment. She actually started working in the 1st episode - which was in the fall. This episode takes place in the spring.
The Life of the Party - S5-E22
Continuity mistake: At the singles party Frasier throws, Roz tells him she's in labour. She is not holding anything, but soon a small purse appears in her right hand, out of nowhere. When Vicky says "good luck" to her, the purse is nowhere to be seen.
Continuity mistake: After Roz has had the baby and has fallen asleep, the nurse comes in and watches Frasier kiss her on the forehead. Most of the time she is standing at the door with her hands behind her back, but in one shot her hands are in front of her and she is holding something white. When she flounces out after Frasier hits on her, she has nothing in her hands.
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.