First Date - S5-E20
Continuity mistake: Frasier and Niles are in the kitchen while Daphne is getting some fabric softener - Niles is holding a blue bottle of water up near his chest but in the next shot it is down by his waist.
First Date - S5-E20
Continuity mistake: While they are in the living room, Niles is telling Frasier about Phyllis, and he has his bottle of water in his left hand but as the shot changes and Frasier says "Oh, good lord", the bottle switches to Niles' right hand.
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.