Continuity mistake: When they are at the football game and Meg and the flag girls come out, and after Lois says, "Oh Peter, isn't she beautiful?", Peter's hot dog is yellow and has ketchup. But after he throws it on the field, it is back to normal. (00:07:30)
Death Lives - S3-E6
Continuity mistake: The white volleyballs turn into colorful beach balls and then back into white volleyballs. (00:13:05)
Continuity mistake: When Chris tells Meg not to rake the two leaves because they are his friends, one leaf is brown and the other is yellow. After Meg picks them up and crushes them, they're both brown.
Factual error: When Peter has his KISS trivia game with Dave the nudist, he asks what the ad read that brought Peter Criss to KISS, and they both answer in unison: "Drummer willing to do anything to make it". In fact, the ad read: "Drummer with 15 years' experience willing to do anything to make it". As the original ad is referenced and shown in several biographies on KISS, as well as the "KISS: eXposed" video, it's not something these two trivia experts would have missed. (00:11:00)
Continuity mistake: Stewie and Brian are having breakfast at the hotel. When they spot the hot air balloon, the plates on the table disappear between shots. (00:11:50)
Factual error: In the scene where Lois drops Peter off at the Renaissance Fair, when Peter gets out of the car, the door opens the wrong way (the way suicide doors open). This is noted to be a mistake in the director's commentary. (00:12:50)
One If By Clam, Two If By Sea - S3-E4
Continuity mistake: When Peter comes home from the British-ruled bar, he runs into the British owner and Lois. Lois takes Peter into the other room through the same door Peter came in from the outside.
Revealing mistake: When Brian and Stewie are on the tourbus, the scenery flashing past is just the same few buildings going by over and over. (00:14:25)
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: When Santa tells Stewie to smile for the camera, there is a white pompom below his beard, but in the next shot, it is gone. (00:12:25)
Continuity mistake: When the black knight pushes Peter's face into the table, there are cream-coloured serviettes (napkins) laid out, but in the next shot, there are blue serviettes. (00:16:45)
Continuity mistake: When Stewie is watching Jolly Farm Revue for the second time, he is sitting roughly in the centre of the mat, but in the next shot, he is sitting near the edge of it. (00:03:15)
A Very Special Family Guy Freakin' Christmas - S3-E16
Audio problem: After Lois goes insane and jumps out the window, she insults Frosty the Snowman, who then goes up to her to demand an apology. Lois then takes out a match and uses Frosty's nose to light it. Frosty recoils, holding his nose and saying "Ow, ow, what the-" but it cuts to a shot of Lois grabbing a bottle of beer from a hobo as Frosty is saying "What the" and it shows him standing perfectly straight, with his mouth not moving at all.
The Thin White Line (1) - S3-E1
Continuity mistake: When Brian is giving his speech at the end, it shows two policemen. The one on the left has a brown drink and the one on the right has a yellow drink. But in the next shot, the one on the right has a yellow drink and the one on the left has a clear drink. (00:21:05)
Ready, Willing, and Disabled - S3-E15
Continuity mistake: When Peter is convincing Joe to do something with his life, they are listening to the news and beer cans are everywhere. Then the news reporter says, "Better watch out for that skateboard." After he slips, look around the room: there are no beer cans anymore.
Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: When Peter is sharpening the pencils, the ones that he throws on the table are much shorter than what he sharpened them to.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: When Stewie contemplates that there is a hidden camera in the Santa ornament, the size of the red bauble next to the Santa changes between shots. (00:05:10)
Continuity mistake: When we first see Carter and the Griffins at the Newport racetrack, Peter's hands are on his thighs, but in the next shot, he is holding a cigar in his mouth. (00:11:10)
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: Brian gets the fur on his hands burned off by the kitchen fire, but when Lois goes crazy and goes into the living room, the rest follow her and the screen zooms out. When that happens Brian's fur is back on his hands.
Continuity mistake: Peter is playing poker with Lois's father, and he wins. Lois's dad wins. While he's bragging about his son-in-law, look at the table. All the chips and cards are gone.
From Method to Madness - S3-E18
Continuity mistake: When Simon is working with Stewie in his "The Life Cycle" exercise, there are three children behind him: a redhead with freckles, a blonde with glasses, and another blonde. However, after Simon turns around and says, "Any comments?", there is a wide pan of the kids in the class, and the three kids have completely disappeared.
Answer: Mort is Jewish, and Walt Disney was said to be antisemitic. So it would make sense in a Disney universe all the inhabitants would share his supposed beliefs.
MasterOfAll