Corrected entry: In this episode Frasier and Niles talk about how they met Marie when they were children because Martin was friends with her father, Duke, therefore, Frasier and Niles would have known Duke as well. But in the episode "Duke's, We Hardly Knew Ye", they met Duke for the first time.
Corrected entry: The younger girl that Frasier goes on a date with has to be 20 years old or younger, since she mentions that cops took a fake ID from her (she wouldn't need a fake one if she were 21). Isn't it unlikely that someone that age would have been able to pay the $10,000 fee for Charlotte's dating service?
Corrected entry: When Roz is in labor at the hospital, Daphne arrives and tells the others that she came as soon as she heard. But she is saying this to Frasier, Niles, and Martin - the only three mutual friends that she shares with Roz. Nobody else could have told her to come.
Corrected entry: Niles says that after failing to confront Maris, he was turned away from the Oregon border check for having fruit in the car. Oregon is an interior state, and therefore without any form of border check. There might be a border check at the border with California, but Niles is approaching from Washington.
Corrected entry: This episode shows Niles wants to organise a anniversary dinner for him and Maris, but back in season 4 episode 22 he went through hoops to sign divorce papers and in the end he did in fact sign the papers. So this anniversary dinner seems odd and out of place for the situation currently going on with them both - why would he organise a anniversary dinner for a woman he is divorcing?
Corrected entry: Niles is hovering over Daphne while she is grating carrots. He takes over for her so she can put the chicken in the oven. You can see that the carrot he is holding goes from having an angle (like it was already being grated) to a whole carrot, and back again.
Corrected entry: Why can Niles hear what Frasier has said when he is inside the sensory deprivation tank? The whole point of these are that you cannot hear anything happening outside, so Frasier's ranting shouldn't have been heard inside. Similarly, why did the writers even have this scene with Frasier trying to talk to "Maris" when she was supposed to be inside it? Clearly they didn't quite know how soundproof they are.
Corrected entry: In this episode Roz is supposed to be pregnant. She found out two episodes before that she was going to have a baby. If so, then why is she drinking alcohol with Frasier and Niles? If she's pregnant, she shouldn't be drinking alcohol. You could see her drinking at two different times what appeared to be some kind of whiskey at one point, and then some kind of wine later on.
Corrected entry: In earlier episodes Niles has talked about how Maris' food issues go back to her childhood, for example that she had to be taken to hospital to be force-fed as a child. But in this episodes, he claims that she was always chubby as a child.
Corrected entry: During the basketball game, Reggie comes up to Niles to ask him about his poor shooting game despite hearing the players moving and the ball hitting the rim off screen and there was no mention of a timeout. In a real game of basketball unless there was a timeout, stoppage of play or he was being subbed, no player could just walk off and start discussing something with someone during a game. There is only 5 players on each team. He's off for around 30 seconds.
Corrected entry: In the scene where Roz and Daphne are discussing seating arrangements, Roz makes a comment about Frasier and Niles going to prom together, to which Frasier elaborates defensively that they did not attend the prom "together" but that their "dates were sick and they went stag." Frasier and Niles would most certainly not have gone to the prom together, considering they are six years apart.
Corrected entry: Martin says in the pilot "two years ago I'm sailing toward retirement and some punk robbing a convenience store puts a bullet in my hip." In another episode he says to Niles "sometimes when life closes a door, you need to kick one open...of course last time I did that on a raid, the guy on the other side shot me in the hip."
Corrected entry: Early in the run of Frasier, Lilith arrives in Seattle for a visit. Niles is very cold with her, because he says "at our wedding when Maris was reciting her vows, which she wrote herself, vows of love from the heart, I distinctly heard snickering." Niles had been married to Maris for 15 years when they separated during the 3rd or 4th season. How then could Lilith have been at their wedding? At that time Frasier would have not have even known Lilith, and was probably involved with Diane Chambers.
Corrected entry: In a previous episode when Frasier confronts Charlotte over his bad dates they have a long discussion about how she has moved back to Seattle because of a divorce and is living with her "crazy assed mother", yet in this episode we see Charlotte's apartment where there is no sign of her mother and only one bed.
Corrected entry: Mel is speaking to Niles at their fake engagement party & she refers to Daphne as his Cockney tart, or something similar. Saying Cockney would imply Daphne was from the South of England, more specifically, London. We know this to be untrue as it has been mentioned in numerous other episodes that Daphne is in fact from Manchester, in the Northwest of England. Daphne also has an obvious, and typical, Northern English accent. So for Mel to call her Cockney was inaccurate. On the same theme, the character Simon, Daphne's brother, has an accent that is the complete opposite to Daphne's. He could be called a Cockney and has a strong, but fake, Southern twang. Logically, if the two of them grew up together & he still lives in Manchester (which is established in an episode) there would be no way that he would suddenly pick up a Cockney accent, even if he had lived in the South for a time. Your true accent always comes out when you go home, so to be true to life, Simon should have spoke with a Northern accent. You would think that the casting execs would have seen this pretty glaring error even though it is an American show. It's probably more obvious (and annoying) for British viewers but it's still a mistake none the less.
Corrected entry: Marty is comforting Eddie who he says has been taunted by a blue jay. This particular bird is not found in Seattle - it is found in much of North America but not west of the Rockies. Marty, who had spent all his live in Seattle, would not make this mistake - and if he had spotted a blue jay there it would have been highly unusual and remarked on.