Continuity mistake: When Chris is sitting on his bed talking to Doug, the squares on his quilt pattern get smaller. (00:15:05)
Continuity mistake: When Stewie has been picked up by Lois and is being kissed by her, Brian freaks out. When you first see Stewie and Lois, Stewie's hands are on her shirt, next shot, they're on her arms. (00:19:40)
From Method to Madness - S3-E18
Continuity mistake: When the Griffins are dining with the nudists, the leaves on the corn in the middle of the table change colour. (00:04:20)
Brian: Portrait of a Dog - S1-E7
Continuity mistake: On Peter's letter to MacGuyver, the return address is '725 Spooner St.', but in other episodes, Peter lives at 31 Spooner St. (00:17:51)
Continuity mistake: When Gene Simmons points the microphone at Lois, she is surrounded by people with Kiss make-up on. In the next shot, when she says "Is that it?", she is surrounded by a different group of people, one of whom is not wearing make-up. (00:12:40)
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.
Continuity mistake: When Peter comes home from his fishing trip he leaves mud prints all over the floor. Even Lois points it out, but after he goes through his two flashbacks, the mud is all gone. (00:03:15)
Continuity mistake: When Brian is watching TV at first the remote is on the right hand side and there is an olive in his glass, but in the next shot the olive is gone and the remote in on the left hand side. (00:08:10)
Continuity mistake: When Lois is talking about how amazing her singing was, in one shot Stewie disappears from his chair. (00:14:15)
To Live and Die in Dixie - S3-E12
Continuity mistake: In the scene when Peter and Brian crash through the wall in the car during dinner, Lois is standing by the table with oven mitts on. In the next shot when Lois asks Peter what he's doing the oven mitts are gone. There was no time to take them off and nowhere to put them either.
Continuity mistake: When Peter is giving the team steriods, the syringe always goes back to the same place.
Continuity mistake: Just after Lois decides to get rid of Chris's pimple, the pimple changes position in relation to Chris's hair. (00:09:30)
Continuity mistake: In the scene just before Lois doesn't know the lyrics to the song at the KISS concert, there is a multiple flashing of members of the band. In a shot of drummer Peter Criss, he has blond hair instead of his trademark black. (00:12:20)
Brian Does Hollywood (2) - S3-E2
Continuity mistake: When Brian and the Griffins are sitting at the table, there is a salt shaker in between Lois and Brian. But the next time they show where it would be, it isn't there. The glasses also change.
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.
Brian Wallows and Peter's Swallows - S3-E17
Continuity mistake: When Brian is driving Peter and his friends back from the planetarium, the steering wheel just appears in front of him in the middle of a shot. (00:04:45)
From Method to Madness - S3-E18
Continuity mistake: When we first see Brian at the auditions, he is sitting between Stewie and an empty chair, but when he is called up, he is right next to the aisle. (00:05:00)
Continuity mistake: When Peter Criss jumps out from behind the drum-kit, the 'KISS' logo is at the top of the base drum. Then when he is singing the "Chattanooga Choo Choo" the 'KISS' logo is further down the drum. (00:13:00)
Continuity mistake: When Lois is saying "I feel so foolish, it seemed like such a good cause", Meg and Stewie disappear from the chair she was sitting on. (00:13:25)
I Never Met the Dead Man - S1-E2
Continuity mistake: Throughout the episode in the car, there is sometimes a light on the roof, and sometimes there isn't.
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