Continuity mistake: When Frasier and Roz are in Cafe Nervosa, and he is showing her his plan to trick Bulldog, Roz is looking at a magazine. She puts it down to look at his notebook but in the next shot she is still holding the magazine.
Proxy Prexy - S10-E3
Continuity mistake: Frasier is talking about running for the condo board and lifts his coffee cup to his mouth. The shot goes to Martin who says, "You might be the best man for the job," and Frasier's cup is still on the table. (00:01:10)
Continuity mistake: Roz is in her booth on the phone and the pencil on her clipboard changes position from shot to shot. (00:06:20)
Lilith Needs a Favor - S10-E13
Continuity mistake: In one shot Niles is on the phone with Daphne, in the next he's hung up the phone and put it away, without as much as a "goodbye".
Continuity mistake: Roz is in her booth and Kenny is talking to her. Her hair is hanging loosely in front of her ear but as Kenny says, "To hash out some rules", her hair is suddenly tucked behind her ear, even though she never touched it. (00:06:05)
Don't Go Breaking My Heart (3) - S10-E9
Continuity mistake: Niles is at Frasier's apartment, visiting with Marty. He takes some crackers out of his black fanny pack and puts the fanny pack behind him. We see it there when he stands up but there is a shot where there is nothing on the couch behind him. It then goes back to showing the fanny pack.
Continuity mistake: Marty is working on a jigsaw puzzle and its box is sitting on the edge of the table. During the scene it rotates ninety degrees. (00:03:50)
Proxy Prexy - S10-E3
Continuity mistake: At the end of the scene where Roz is offered a melange by Daphne and Miles, and thinks they said a menage (a trois), the content of her fruit bowl changes repeatedly.
A New Position for Roz - S10-E24
Continuity mistake: When Niles and Daphne are at Cafe Nervosa, the empty coffee cup on their table changes position frequently between shots.
A New Position for Roz - S10-E24
Continuity mistake: After giving his speech at dinner, Gil gulps down his glass of wine. In the next shot the glass is suddenly half full again.
Continuity mistake: This is a mistake within a mistake: Niles and Frazier are trying to get the wrapped presents out of F.'s apartment and replace them with others, to play a trick on their dad. They are getting completely mixed up, and presents are being taken out and then returned by mistake, mostly by Frasier. At one point Niles has a pile of gifts which he puts down on the table behind the couch - the shot shows him holding them, but the next shot shows a completely different pile of presents, even though it is supposed to be the same pile. Frasier picks this pile up. It soon changes again in the next shots.
Continuity mistake: When Frasier is asking Noel for a favor, Frasier sets papers down on the desk which move from place to place and even disappear and then reappear between camera shots.
A New Position for Roz - S10-E24
Continuity mistake: When Bulldog is finishing his speech at the party, Julia looks at Roz. The angle changes and Julia has suddenly turned 180 degrees.
Continuity mistake: Just after Niles has run out of Cafe Nervosa, the tip he left on the table keeps vanishing and reappearing between shots.
Some Assembly Required - S10-E19
Continuity mistake: When Frasier and Roz are at Cafe Nervosa together, just as Daphne enters, Roz's coffee cup goes from being held in her hand by her chest to down on the table in an instant.
Continuity mistake: When Niles and Frasier are first talking to one another in Cafe Nervosa, Niles' coffee cup goes from held in his hand to sat on his saucer in an instant.
The Devil and Dr. Phil - S10-E21
Continuity mistake: When Bebe is talking to Frasier, she is eating a piece of celery. The piece changes size between shots, most noticeably at the very end of the conversation when it suddenly goes from large to tiny.
A New Position for Roz - S10-E24
Continuity mistake: When Niles and Daphne are babysitting Alice, a pink feather from Daphne's boa keeps vanishing and reappearing on the side of her chair.
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.