And Frasier Makes Three - S11-E20
Continuity mistake: Frasier picks up a couple of paper bags full of stuff for a picnic he is going on with Charlotte and her boyfriend - there is a fabric string/tie hanging out of one of the bags as he heads for the door but when he gets there, it has disappeared.
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.