Continuity mistake: At the start in class there are two people behind Meg who both have green tops. When the camera shows the class from the front one of the green tops has changed colour. (00:02:05)
Continuity mistake: Going up the ladder Lois has Stewie in her left arm. However, as she comes through the window he is in her right arm. (00:06:00)
Continuity mistake: When Joe lifts his steak to his mouth you can see a section cut out of the steak on the plate. When he shoots the plate, the steak is whole. (00:01:50)
Brian Goes Back to College - S4-E15
Continuity mistake: When Stewie runs in to film Brian after he got fired, Lois has her arms crossed. When we see it from the camera's POV, her arms are in completely differently positions. (00:07:10)
Brian Goes Back to College - S4-E15
Continuity mistake: At the start Stewie is sat in the middle of the middle cushion on the sofa. However, as Lois walks off he is now sat on the join of two cushions nearest Brian. (00:02:25)
Continuity mistake: As the trio are singing at the end, the position of the 3 changes between instant cuts. (00:20:05)
Continuity mistake: When Meg tells her family she's a lesbian, Lois has food on her spoon. As Meg starts yelling about her friends liking her, Lois is holding a fork with no food on it. (00:11:40)
Continuity mistake: When Neil points out the poster for Meg, Meg has 2 books in her arms that become one. (00:04:20)
Continuity mistake: The fork with steak on it that's on Joes plate disappears between shots. (00:02:05)
Continuity mistake: At the steakhouse before Joe shoots the table we see Peter's knife on his plate but it suddenly appears on the table. (00:02:00)
Brian Goes Back to College - S4-E15
Continuity mistake: When the team arrives at the cat stuck in a tree, they knock a mailbox onto a pathway. When the tree falls on the house, the van and mailbox have moved. (00:10:30)
Brian Goes Back to College - S4-E15
Continuity mistake: When we see Brian outside of Brown University for the first time, a man in a yellow shirt appears from nowhere. (00:08:00)
Brian Goes Back to College - S4-E15
Continuity mistake: When the guy from the New Yorker rings Brian, a newspaper appears on his desk between shots. (00:02:50)
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