Continuity mistake: As Kirby is showing Roz his prom pictures, she sees the picture with his hand on her behind. In the scene her hair on her right changes position in the following shots from on her chest, to slightly behind her shoulder, to completely behind her shoulder.
Continuity mistake: As Marty says "Claire says", he is holding his sandwich is both hands. As Daphne turns towards him and says "shut up", he is holding the sandwich in his left hand and his right hand is on the arm of his chair. There was no time for the switch.
The First Temptation of Daphne - S9-E3
Revealing mistake: Frasier and Martin are arguing in the kitchen about the cricket. Martin opens the fridge to grab a beer and slightly bumps the fixed island in the kitchen, which moves.
The First Temptation of Daphne - S9-E3
Continuity mistake: Martin says that Eddie will find the cricket, and puts him down on the floor so he can begin to search. He places him right in front of the green chair. In the next shot, we see Eddie spinning around on the floor, but the chair isn't visible in the frame like it should be. Instead there's something that looks like a gray stool there.
Continuity mistake: After Martin lowers his chair and gets the bag of pretzels it cuts back to Frasier and you can see the bag still on the coffee table. Then it cuts back to Martin and he has the bag. (00:06:16)
Continuity mistake: When Frasier and Martin are yelling at each other about the mess on the carpet, Marty is holding a red plastic oil container. In one shot there is a noticeable dribble of oil on it, but in the shots before and after, it is clean.
Continuity mistake: When we first see Marty on the floor oiling his chair, his cane is lying on the floor with the handle end pointing towards the kitchen. When he picks it up a few shots later, it has turned 180 degrees and the handle is pointing towards the door. At no time did he touch it.
Continuity mistake: When Frasier comes home, just after Marty has sprayed oil on the carpet, the pattern of the spray changes considerably from one shot to the next.
Continuity mistake: Frasier is in Bebe's office and as she says, "The newest member of Team Crane," her hands are clasped together in front of her and her index fingers are pointed upward, but as the shot changes, her index fingers are folded into her hands.
Continuity mistake: Before Daphne's wedding in season 7, Mrs. Moon thinks Daphne's pregnant. In this episode she thinks Daphne is a virgin.
Factual error: Simon, having just been kicked out of Frasier's apartment, is trying to convince Roz to let him stay at hers. In the background the set shows a wharf area with at least one tall ship, Alito's Restaurant, Pier 45 Shed A, and Fisherman's Grotto. These are all located at Fisherman's Wharf in San Francisco, not Seattle.
Continuity mistake: Frasier and Niles are looking at the salt server Blaine returned to Frasier - in one shot the large envelope, the mailer strip, and the note are on the coffee table - in the next shot the strip has disappeared and the envelope and note have changed position.
Continuity mistake: Blaine sticks the pin in his leg and doesn't remove it, yet after a few shots it's gone.
Suggested correction: The pin is present until Daphne removes it, but in each shot the pin is rotated without anyone touching it. In some shots, it is difficult to see because it is longways on, but it is there.
Continuity mistake: Frasier is handed a beer with an inch or two of froth. When the shot changes the froth has all but disappeared. (00:15:30)
Continuity mistake: During the opening credits, Niles, Roz, and Daphne are sitting on the couch. Niles has put Frasier's biography on the coffee table but when the shot changes and Frasier comes in, Niles is suddenly holding the bio in his hand.
Continuity mistake: When Daphne steals Niles' Segway, Cora is laughing in the background and covering her mouth with both hands. The angle changes and now her hands are on the table.
Revealing mistake: It's clear the "Manchester" pub scene was filmed in the United States, as the pint glasses used are American pints and not imperial pints as used in the UK, which are approximately 20% bigger.