Continuity mistake: Meg goes to the party wearing a mask without her glasses on. When she's in the closet, her mask is off and she has her glasses on, even though she didn't wear them to the party. (00:06:50)amycamille1975
Continuity mistake: When Peter returns home from being hyped up on Red Bull, he has numerous cans in his arms. When he sees Stewie he immediately drops the cans on the floor but when the camera pulls back as he sits down with Stewie in his lap, the cans of Red Bull are nowhere to be seen.
Continuity mistake: When Franz Gutentag falls off the step towards the end of the episode, Herbert is on the porch of the house and reaches out to him. When we see the shot of Gutentag falling in slow motion and the birds fly away, there is no sign of Herbert on the porch.Neil Jones
Continuity mistake: When Peter is eating dinner with Lois and her parents, on his plate there is mashed potatoes and meat loaf. Peter shovels potatoes in his mouth then spits them out all over the table. When his plate is shown again, the meat loaf has disappeared from the plate even though he didn't touch it.amycamille1975
Continuity mistake: When Carter destroys the bench after being the first contestant out of wining the old dirt bike, in the digger he backs off screen and you hear a crash and a car alarm, but when the shot is widened you see two cars where he backed into and both are undamaged.
Continuity mistake: When Brian is crashing his car in Canada, a tyre smashes through his window. At no point does Brian take out the tyre, but when Stewie and Brian get in the car to go to the North Pole, there is no sign of any tyre whatsoever. (00:14:10 - 00:15:50)Casual Person