The Thin White Line (1) - S3-E1
Continuity mistake: At the end when Brian leaves we see Stewie run outside. However all the party decorations, party goers and furniture has disappeared from inside the house. (00:20:30)
The Thin White Line (1) - S3-E1
Continuity mistake: When Brian finds Peter in the rehab centre, he has 7 beers in a pack on the bed beside him in a row of 4 and a row of 3. When the camera changes, the row of 4 which is on the outside has been reduced to 3 cans. The direction on which they are facing also changes from across the bed side to side to along the bed top to bottom. (00:16:35)
The Thin White Line (1) - S3-E1
Continuity mistake: When Brian corners the elderly gentleman and drops the contents of his case they change position on the floor between the long and close ups. (00:12:30)
The Thin White Line (1) - S3-E1
Continuity mistake: After Brian has shown of his skills at home we see him with his head out of the cop car. The car has blue and yellow lights on top but when it cuts to a close up a red section has appeared. (00:07:30)
The Thin White Line (1) - S3-E1
Continuity mistake: When Meg is holding the newspaper up about Brian, the paper vanishes instantly. (00:07:20)
The Thin White Line (1) - S3-E1
Continuity mistake: When Brian walks into the kitchen Peter's plate turns into a bowl. (00:06:50)
The Thin White Line (1) - S3-E1
Continuity mistake: When Brian sniffs the coke for the first time, the position of it on the floor is constantly changing position. (00:06:25)
The Thin White Line (1) - S3-E1
Continuity mistake: When Peter is looking at places to go on holiday, his hand is on his plate. Camera changes and it's no longer on the plate. (00:06:40)
The Thin White Line (1) - S3-E1
Continuity mistake: Mr Weed walks in and has his right arm behind his back. Camera changes and now it's down by his side. (00:01:40)
The Thin White Line (1) - S3-E1
Continuity mistake: When Mr. Weed comes into the canteen to say about the company picnic, the stuff on the Peters table vanishes instantly. (00:01:40)
The Thin White Line (1) - S3-E1
Continuity mistake: Brian says Lois' toast is ready and it pops up, but in the next shot when the family is applauding him, the toast is missing and the toaster lever is pushed down. (00:07:20)
The Thin White Line (1) - S3-E1
Continuity mistake: Brian is at a nursing home playing checkers with a lady. When he gets up, the checker board vanishes. (00:19:20)
Continuity mistake: When the black knight appears and says to Peter "What are you doing with my girl!?", there is a pitcher and a basket with a chicken leg on the table. But on the next shot where the camera is facing to Peter, both the pitcher and the basket disappear. (00:17:20)
Ready, Willing, and Disabled - S3-E15
Continuity mistake: When the guys are at the bar, Joe's glass of beer has foam at the top. When he starts crying, it completely disappears seconds later.
Mr. Griffin Goes to Washington - S3-E3
Continuity mistake: When Peter is talking to Mr. Weed at the baseball game, the shade of Peter's hair color changes from lighter to darker and vice versa multiple times. (00:03:35)
Death Lives - S3-E6
Continuity mistake: The steering wheel in Cleveland's van changes color. First it's black. Then it changes to grey when Peter gets in.
Death Lives - S3-E6
Revealing mistake: When Peter first meets Lois's dad, when they are talking, when Carter raises his eyebrows, for a split second, you can see his "extra" set of eyebrows.
The Kiss Seen Around the World - S3-E8
Continuity mistake: When Tom Tucker is in the school, he begins his news report standing in front of some lockers. In the next shot, from the news camera's point of view, he is now standing in front of some students. (00:03:50)
The Kiss Seen Around the World - S3-E8
Continuity mistake: Peter and Chris are in a toy store together, standing next to a piano with white and black keys. In the shot before they leave the pianos, the black keys disappear. (00:01:10)
A Very Special Family Guy Freakin' Christmas - S3-E16
Character mistake: In the scene with Peter and his buddies downtown, the sign on the store across the street from them on the right side of the screen is misspelled as "Quahog Sporitng Goods."
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