Continuity mistake: When we see all the Ted Turner puppies, none are feeding from Seabreeze. When the camera changes several puppies are feeding. (00:20:50)
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.
Continuity mistake: When the guys are all playing cards, Peter has a low amount of blue chips. In all the different shots, Peter goes from having no chips to having a lot. The pile is low in the above shots and high when it is close up on Peter.
Peter Griffin: Husband, Father...Brother? - S3-E14
Continuity mistake: When Stewie jumps on the picnic table and begins his dance, at one point he undoes his coveralls and removes his shirt. In the next shot he is fully clothed.
Peter Griffin: Husband, Father...Brother? - S3-E14
Continuity mistake: When Chris says "Cool, I get to be black and Irish, he is holding three books, the top one being green. A few moments later, the top book is brown.
Ready, Willing, and Disabled - S3-E15
Continuity mistake: The word 'Coach' on Peter's jumper changes in thickness multiple times just as Joe is starting the final race. (00:12:45)
Ready, Willing, and Disabled - S3-E15
Continuity mistake: When Peter is complaining to Brian about Joe doing the cereal ad, the position of the remote changes between shots. (00:14:15)
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.
Ready, Willing, and Disabled - S3-E15
Continuity mistake: When Peter is walking out the door to leave from Joe's room, if you look at the t.v. screen, there are no buildings behind the reporter like in previous shots.
Ready, Willing, and Disabled - S3-E15
Continuity mistake: When Peter is stealing steroids from behind Mort Goldman's desk, he gets down on his knees to hide. In the next shot, he is standing (albeit bent at the hips).
Ready, Willing, and Disabled - S3-E15
Continuity mistake: Right after Lois is telling Peter that he should go to Joe's house, you see a plate and a coffee mug. But right after the angel spirit holds the gun up to Peter's head, and he is walking away from the table, the plate and mug are gone.
Ready, Willing, and Disabled - S3-E15
Continuity mistake: Chris takes Meg's purse and throws it to Stewie to go through. He throws items on the floor, and when Meg takes her purse back, the items on the floor are not there.
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.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: In the beginning of the episode with everyone at the town tree, initially Lois' pants are red, in the same scene moments later they are tan, and seconds later they're red again. (00:01:05)
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)
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: When Peter is driving, Quagmire is sitting beside him and Cleveland and Joe are in the back seat. Joe has brown hair and he's wearing a gray knit hat and a light coat with a gray fur collar. When Quagmire is sticking his body out of the car door and yelling "Whooooooa! Whoooooooa!", look at "Joe" in the back seat. Joe doesn't look like Joe in this shot. He's wearing a Santa hat and a brown coat just like Quagmire's, and a bit of his hair is also black like Quagmire's, instead of brown. (00:05:30)
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: When Joe is pretending to have broken his legs, Quagmire is holding Joe's wheelchair with both hands, but in the next shot, he is only holding it with one hand as he has a beer in the other hand. (00:05:45)
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)
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.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: Prior to the family opening their presents at the end of the episode, there is a shot of the outside of the home. Notice the right window intact. Cut to a shot inside, the window is still damaged from earlier in the episode.
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