From Method to Madness - S3-E18
Continuity mistake: While Stewie and Olivia are performing, Olivia is wearing a light purple dress. After the performance, when Stewie and Olivia are sitting on the piano talking to their teacher, Olivia's dress and hair bow changes from purple to blue in between shots. She is also wearing dark red lipstick instead of none at all.
From Method to Madness - S3-E18
Continuity mistake: When Simon is working with Stewie in his "The Life Cycle" exercise, there are three children behind him: a redhead with freckles, a blonde with glasses, and another blonde. However, after Simon turns around and says, "Any comments?", there is a wide pan of the kids in the class, and the three kids have completely disappeared.
From Method to Madness - S3-E18
Continuity mistake: When we first see the sign outside the Quahog institute of performing arts, it has a cartoon take on the comedy and tragedy masks in the corners. In the left hand corner is a black mask with big ears and a smile and on the right is a white mask with a frown. Later on, the black mask has the frown and the white mask has the big ears and smile and the 3rd time you see the sign it has changed back again.
From Method to Madness - S3-E18
Continuity mistake: In Stewie's first acting class, the chairs all the children are sitting on are blue but after Stewie has done his scene and he is talking to Olivia about her comment, the chairs are orange. (00:06:20 - 00:08:20)
From Method to Madness - S3-E18
Continuity mistake: When we first see Stewie at drama class, there is a girl with pigtails behind Olivia, but when we next see Olivia, there is a black boy behind her.
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)
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)
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