It's Hard to Say Goodbye If You Won't Leave - S3-E10
Trivia: Frasier's relationship with Kate was supposed to last longer, but Mercedes Ruehl decided that she did not want a weekly sitcom role at the time.
Trivia: When Bulldog calls up Frasier and asks him if he can sing a bit, Frasier stars singing the Gilbert and Sullivan song "Three Little Maids from School" which of course leads to great embarrassment. In the episode "Cape Fear" from The Simpsons, Kelsey Grammar guest stars as Sideshow Bob and also has bad luck with Gilbert and Sullivan music. Bob gets badly injured after the family sings the Three Little Maids song. Later he is asked to sing the score from the HMS Pinafore and it foils his plan.
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.