When You Wish Upon a Weinstein - S3-E22
Continuity mistake: When Max hangs up the phone, the transmitter (the part you speak into that's nearest the cord) is on the right. A few shots later when we see the phone again, it's on the left side.
When You Wish Upon a Weinstein - S3-E22
Audio problem: When Peter sings "I Need A Jew", his mouth doesn't match the lyrics when he sings the line, "I don't think they killed my Lord"; this is because the original line, "Even though they killed my Lord" was considered too anti-Semitic.
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