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.
One If By Clam, Two If By Sea - S3-E4
Continuity mistake: When Peter, Joe, Cleveland and Quagmire are in jail, Peter is the only one of them with a inmate number on his outfit. It's the same with the other inmates. Some have numbers and some don't.
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.
Revealing mistake: Death's right foot disappears when he gets up after he says "You know, my ankle is starting to feel better." (00:21:15)
Continuity mistake: Just before Adam West opens the trapdoor under Peter, Peter moves further away from the deck between shots. (00:07:20)
Continuity mistake: In the very first scene, the background that Peter and Brian are walking past changes. (00:00:30)
Continuity mistake: When Joe jumps off the trampoline, the trampoline is a lot smaller than when it was before. (00:00:50)
Continuity mistake: When Peter falls over, the ticket changes place instantly. Note the cracks in the path. (00:08:00)
Continuity mistake: The number of beers in the first crate when Lois refuses to drink them changes. It goes from 11 with Peter having one, to 12 With Peter and Lois having one. (00:03:35)
Continuity mistake: Lois is wearing a green dress when peter is looking at her from the stage, but she's wearing a blue dress throughout the scene.
A Picture Is Worth 1,000 Bucks - S2-E11
Continuity mistake: In one shot of the Griffins at the hotel, Brian's collar is yellow instead of red.
A Picture Is Worth 1,000 Bucks - S2-E11
Revealing mistake: When Brian is shaking his head saying he will never go to the theater with Peter again, you can see part of his neck is missing. (00:09:10)
I Am Peter, Hear Me Roar - S2-E8
Continuity mistake: During Lois' fight with Gloria Ironbox, Peter is wearing his usual white shirt and not his suit for one shot, then goes back to wearing his suit. (00:20:40 - 00:21:10)
Continuity mistake: When Lois asks Chris who he's talking to on the phone, she get considerably closer to him between shots. (00:02:25)
Continuity mistake: Just before Lois suggests they toilet train Stewie, she and Peter move considerably between shots. (00:03:55)
Continuity mistake: While cooking dinner, and waiting for Peter, Lois has a watch on. As she comes down the basement stairs, it's suddenly gone.
Continuity mistake: After the "Lint" scene, Meg's glasses disappear.
Continuity mistake: When Brian is at the psychiatrist's for the first time, the psychiatrist's chair changes position between shots. (00:08:20)
Lois Comes Out of Her Shell - S11-E6
Other mistake: When Lois goes to Justin Bieber's dressing room, when she enters the room and Justin looks at her reflection in the mirror you can see her arm disconnect from her body as she talks to him. (00:17:15)
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