Continuity mistake: When walking down the mountain, in the long shots, there are footprints between Brian and Stewie. But in the close up there isn't any. (00:17:00)
Continuity mistake: Walking down the mountain Stewie is behind Brian. When he gets the scarf out however, he is side by side with Brian. (00:15:10)
Continuity mistake: Just as the Griffin's start down the mountain the flags disappear from behind them. (00:14:30)
The Cleveland-Loretta Quagmire - S4-E5
Continuity mistake: When everyone starts playing charades, Joe is acting out a character. He has black shoes on. The boat throws him overboard and when back on the boat his shoes are white.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: At the mall Stewie is wearing a pair of mustard color fingerless mittens, and the problem occurs while Stewie is sitting on Santa's lap. When Stewie first mentions plutonium and being a good boy, Stewie's hands show all of his fingers which means he's mittenless, but the color of his hands is the same color as his mittens. Then, when Santa tells Stewie to wrap it up, Stewie is wearing his mustard color mittens, then his mustard color fingers return again.
Continuity mistake: After the Robert Redford clip, when it cuts to the Griffins walking toward Doug's house, in this exterior shot (and a previous exterior shot) the front door is located between one window and the garage, but in the following interior shots there's a window on both the left and right side of the front door. (00:14:20)
To Live and Die in Dixie - S3-E12
Continuity mistake: The cashier opens the register for the robber. The money is in the tray yet the robber grabs the money from the counter without even touching the tray.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: While Lois is driving her family home from the mall, the animation process did not properly color Lois during the car ride. First, she's wearing white gloves, but in one shot both of her hands are bare on the steering wheel. Second, Lois is wearing a green coat and white scarf around her neck, but in the shot facing the town's tree through the windshield, her scarf/collar is red (her Santa hat has a red narrow tip with a white pom-pom).
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: While at Joe's house Peter opens the door for Cleveland and Quagmire, and when Lois walks over the buttons on her blouse switch from her right side to her left side.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: When Peter is in the kitchen getting coffee Peter's shirt buttons are on his right, but as he exits the kitchen with the cup of coffee Peter's shirt buttons have switched sides.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: When Stewie's nightmare wakes him up, the crib's headboard is decorated with a crescent moon and two stars, but when Stewie goes bananas and searches for the wire, the stars and crescent moon have vanished.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: When Lois reminds Peter to go get the tree, there's a wreath with a bow hanging on the wall between the two pictures behind the couch, but when Lois convinces Peter with the promise of a new VCR that wreath has vanished, then it reappears and disappears again when Peter returns with the tree. Also, the plate of cookies that are on the arm of the couch seem to vanish as well.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: When Lois asks Brian to put on his sweater the rabbit ears antenna is atop the TV, but when Lois asks Peter to "please" get the tree, the TV antenna has vanished then it reappears, and the rug isn't where it should be then it too reappears properly.
Brian: Portrait of a Dog - S1-E7
Continuity mistake: While Peter and Brian are arguing in the kitchen the side door has a handle on the right side, but when Peter insists that Brian use the leash Brian storms out of the house, and the door's hardware has changed to a doorknob that is now on the left side of the door.
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: Peter and Brian go to a trailer park to try to get the gifts back. They are standing in front of a trailer and the doorknob is square. Peter kneels down and it's suddenly a rectangle.
Other mistake: The guys lasso the bear. Then Peter impossibly lassos the bear's legs. There's no way for the lasso to go around the bear's leg with his feet on the ground. And the lasso couldn't have gone over the body down to the legs since the other ropes would have gotten in the way.
Continuity mistake: After Peter says goodbye to his family before his flight to Ireland, when it cuts to Stewie spying on Lois while she's doing the dishes, there's a calendar hanging on the wall beside the refrigerator and a paper hanging on the fridge, but when Stewie draws on the wall both the calendar and paper have vanished.
Continuity mistake: At the end of the episode everyone is having a picnic. Joe says what the heck happened to that trophy and everyone's plates disappear. The table is completely empty.
Continuity mistake: Brian and Stewie see Meg enter Mayor West's motel room. She's wearing a purple dress. They follow them to a restaurant and Meg has her regular hat and outfit on.
Family Guy Viewer Mail #1 - S3-E21
Continuity mistake: When Peter is on the couch talking to Catherine, the amount of wine in his glass keeps changing from shot to shot. He takes a drink and the amount stays the same.
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