Jesus, Mary and Joseph! - S11-E8
Continuity mistake: At the start the amount of decorations on the tree changes quite significantly between consecutive shots. (00:01:10)
Space Cadet - S11-E9
Continuity mistake: Peter cuts his head with the comb near the start, however the blood simply vanishes from his head. (00:03:10)
Continuity mistake: When we see Brian drinking in the Clam for the first time, he finishes his drink but when Peter appears his glass is half full again. (00:08:20)
Valentine's Day in Quahog - S11-E12
Continuity mistake: When Quagmire gets shocked, the plug socket has 3 holes in it. When Quagmire is hitting the ground, there is only 2. (00:04:20)
Valentine's Day in Quahog - S11-E12
Continuity mistake: Just as Meg's date is about to leave the motel, the level of ice in the bath changes. Note its position in relation to Meg's Scar. (00:08:30)
Continuity mistake: In the Clam when Brian says about he knows what's going on, Quagmire disappears from behind his drink on the table. (00:10:00)
Farmer Guy - S11-E20
Continuity mistake: When Brian enters the farm house, Meg is on the floor unconscious on her back with her face up, but the next shot when the rest of the Griffins enter, Meg's head is turned to her left.
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