Dad Loves Sherry, the Boys Just Whine - S4-E9
Continuity mistake: When Sherry brings in the bottle of wine, it's in a paper bag which is twisted around the bottle when she puts it on the coffee table. The next shot shows the bag has been loosened around the bottle and is quite wrinkled. No one touched it in that short time.
Dad Loves Sherry, the Boys Just Whine - S4-E9
Continuity mistake: When Sherry first meets Frasier and Niles, she puts her coat down towards the center of the couch. A few shots later, although no one has moved it, it shifts to the left and her purse, which wasn't visible before, can be seen.
Dad Loves Sherry, the Boys Just Whine - S4-E9
Continuity mistake: In Frasier's apartment, Sherry has just been introduced. Marty has a glass of wine down on the dining room table, next to another one. In the next shot the glass has shifted considerably, but the camera angle has remained the same.
Dad Loves Sherry, the Boys Just Whine - S4-E9
Continuity mistake: Frasier tells his father Maureen wants to break up with him, and Marty heads for the kitchen, leaving his blue container of stomach medicine on the credenza. But as Marty passes by the dining room table, he suddenly has the container in his hand again.
Dad Loves Sherry, the Boys Just Whine - S4-E9
Continuity mistake: When Sherry tells the boys she's a sleepwalker, she has her bag slung over her right shoulder. In the next shot, without time for change, she is holding the bag in her left 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.