A Midwinter Night's Dream - S1-E17
Continuity mistake: Early in the show Niles shows up at Frasier's in his pirate outfit. He has a plastic knife in his sash which changes position noticeably several times during the scene (without Niles touching it).
A Midwinter Night's Dream - S1-E17
Plot hole: Niles phones Frasier to tell him Daphne is staying at his place because of the storm. Frasier's phone is in its usual place on the room divider/bookcase behind Marty's chair. After Frasier and Marty leave to rescue Daphne, Niles phones again and Eddie is standing up on a chair staring at the phone. Only problem is, the phone is over on Frasier's desk, where there normally is no phone. If he did have a phone there, it is only a few feet from the other one, which makes no sense.
A Midwinter Night's Dream - S1-E17
Continuity mistake: At the beginning of the show, Niles, Frasier and Daphne are at Cafe Nervosa. Daphne is standing up talking to Eric the server and Niles gets agitated, and spills sugar everywhere. Eric throws down a dish towel so they can clean it up. The dish towel appears and disappears several times during the scene.
And the Whimper is... - S1-E18
Continuity mistake: When Roz and Frasier are sitting on the couch discussing how the other award nominees are courting the judges, the amount of champagne in Frasier's glass goes down dramatically without him drinking any.
And the Whimper is... - S1-E18
Continuity mistake: Early in the show, Frasier is sitting in Cafe Nervosa with Niles and Bebe, drumming on the table with the fingers of his left hand. In the next shot his hand is pulled in, lying on the table in front of him.
And the Whimper is... - S1-E18
Continuity mistake: At the awards ceremony Frasier is being introduced to his rival Fletcher's mother. At one point Fletcher is holding his mother's hand but in the next shot their hands are nowhere near each other.
And the Whimper is... - S1-E18
Continuity mistake: Early in the show, at Cafe Nervosa, Roz comes in and Bebe asks her to get her some coffee. Roz returns with a paper bag which she puts down on Bebe's right. In the next shot Bebe stands up with it in her left hand, but there was not enough time for it to change from the right to the left naturally.
And the Whimper is... - S1-E18
Continuity mistake: Just after Roz puts Bebe's bag on the table at the Cafe, we see her back at the counter - there was not enough time for this to happen naturally.
Continuity mistake: Roz has just received a call about Marty's missing chair and as Frasier comes into her booth, she is writing it down. As she says "I found the chair", she hands him the paper - but she goes from writing to handing it to him with no time in between. (00:16:35)
Continuity mistake: Early in the episode Martin puts a piece of tape on the seat of his chair, before Frasier accidentally gets it thrown out. However later on when Frasier gets the chair back (and in later episodes) that piece of tape is missing. It's possible it was ripped off of course, but wouldn't Martin have replaced it again if there was a hole in the chair?
Continuity mistake: In the episode "Call Me Irresponsible" from season 1, Frasier and Catherine are making out on Martin's old chair, which starts vibrating (probably because they inadvertently hit a switch on the side). But in "Give Him the Chair", Frasier tries to replace Martin's old chair by buying a new one which has a built-in massager. When Martin tries it, he looks horrified and says "That's disgusting", even though his beloved chair had the same feature.
Continuity mistake: When Bulldog is talking to Frasier in the booth at KACL, in one shot his left sleeve is pushed up his arm and his right sleeve is down to his wrist. In the next shot it's just the opposite - his right is pushed up and the left is down. At the end of the scene both sleeves are pulled up.
Continuity mistake: Niles is leaving Frasier's with Daphne and as he says "it was a warm and friendly place", his raincoat strap goes from sticking out from his shoulder to lying flat on his chest.
Continuity mistake: When Frasier and Niles are in Cafe Nervosa, just as they are talking about Stanley Barrister, Frasier lays his hand on his knee, but in the next shot it is up on the table.
Continuity mistake: In the scene where Frasier and Niles are talking in Cafe Nervosa, the position of Niles hands and arms change a couple of times. At one point, while Frasier talks about the young woman he has met, Niles folds his arms in front of him but in the next shot to Frasier, we can see Niles fingers laced together - and then the shot returns to Niles with folded arms. They stay this way until another shot where he says "You were in a mall?" and his hands are suddenly on the table and one is lying over the other.
Plot hole: Once the gang have arrived in Canada, Daphne is scared stiff of getting caught outside the USA. Marty explains they will just "smuggle" her back and Frasier and Niles are outraged at such deception. But to get into Canada, all of them would have had to declare their residence, birthplace, and reason for coming in. To get Daphne in in the first place, they must have lied. She would have had to show her passport as an alien. The Americans would have been allowed in without their passports, per diplomatic agreements. So the outrage of the boys makes no sense.
Continuity mistake: While Frasier is driving, Marty has the map on his lap. During this scene the map changes appearance and size from shot to shot even though Marty never opens it up.
Continuity mistake: There was an episode in which Martin attempts to end a feud between Frasier and Niles by telling a story about his detective partner. He starts with the line, "I never had a brother...", but in the episode about Frasier's cousin Nikos getting married, Martin's brother Walt was introduced.
Continuity mistake: As Frasier and Niles are starting work on their book, Marty gets four snacks and a beer and sits down in his chair. He gets up and we see the two bags that were behind the beer and can of something are now in front of them. Marty never touched them during that time.
Frasier Crane's Day Off - S1-E23
Continuity mistake: Martin and Frasier are having breakfast and Marty is making fun of Frasier's radio audience. In one shot Marty's arms are folding on the table in front of him over his newspaper - in the next shot one arm is stretched out over the newspaper and the other is at 45 degrees angle in front of him.
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.