Brian: Portrait of a Dog - S1-E7
Continuity mistake: Brian's black collar briefly turns back to his red one when he's looking at the bird combust. (00:05:56)
Revealing mistake: Peter's right eye overlaps his nose when Lois reminds him about getting drunk off communion wine at church. This mistake was later referenced in "Back to the Pilot." (00:02:50)
Road to the North Pole - S9-E7
Continuity mistake: At the first house, the bag in the sleigh with all the presents in is ripped open when it falls off the roof. However, when Stewie and Brian leave the house, there is no tear in the bag at all. (00:32:55 - 00:36:45)
Peter, Peter, Caviar Eater - S2-E1
Continuity mistake: When Peter has become cultured and is talking to Coco and Jonathon, Jonathon's suit changes colour from brownish-green to grey. (00:14:00)
Continuity mistake: As Stewie is about to eat his brisket (just before he throws it at Meg) he is cutting part of it off. Just as he cuts through the shot cuts and you can see the brisket is now back in one whole piece. You can also see the mashed potatoes change from white to green.
Continuity mistake: In the scene where the family are singing an African song, they all point their arms up to the ceiling yet in the next shot, Lois's arms are immediately cupped and pointed downwards - you don't see her moving her arms to that position.
Continuity mistake: When Chris tells Meg not to rake the two leaves because they are his friends, one leaf is brown and the other is yellow. After Meg picks them up and crushes them, they're both brown.
Death Lives - S3-E6
Continuity mistake: The white volleyballs turn into colorful beach balls and then back into white volleyballs. (00:13:05)
Continuity mistake: When they are at the football game and Meg and the flag girls come out, and after Lois says, "Oh Peter, isn't she beautiful?", Peter's hot dog is yellow and has ketchup. But after he throws it on the field, it is back to normal. (00:07:30)
There's Something About Paulie - S2-E16
Continuity mistake: In the scene where Peter is outside the cinema waiting for Big Fat Paulie, he has a tie on, however when he is in the cinema walking up the aisle, it's gone. When he gets out again, he has it on. (00:07:40 - 00:08:50)
Continuity mistake: Peter and Luke Perry go into Peter's house, and sit down. The door is open when they sit down. In the following close-up of Luke Perry, the door is closed, with no evidence of anyone, or anything, closing it.
Fifteen Minutes of Shame - S2-E12
Continuity mistake: When the Griffins are invited down from the crowd, the whole audience seating arrangement changes when the camera view is from behind them facing onto the audience.
Continuity mistake: When Peter first goes down into the basement, there is no railing on the stairs. One suddenly appears later in the same scene. (00:08:40)
Airport '07 - S5-E12
Continuity mistake: When Peter is backing up and sees the airplane fuel there is a tank near the ladder and the hose is hooked up to it but when Peter walks up to it to plug it into the truck the tanker is way farther away. (00:05:00)
I Never Met the Dead Man - S1-E2
Continuity mistake: During the scene where Peter interrupts Meg class in a towel, there is a dotted line in the diagram on the board at first, but later, the line is gone. (00:07:10)
Chitty Chitty Death Bang - S1-E3
Continuity mistake: In the first shot of Stewie writing in his diary, he is wearing his usual red overalls and yellow shirt, but in the next shot, he is wearing blue pyjamas. (00:03:55)
Continuity mistake: When Peter shows Lois the newspaper about the play the headline "Long live this King" is in black text. In the next shot when he puts the paper on the bed, the headline has changed to red text. (00:21:10)
Continuity mistake: Stewie and Brian are having breakfast at the hotel. When they spot the hot air balloon, the plates on the table disappear between shots. (00:11:50)
Peter, Peter, Caviar Eater - S2-E1
Continuity mistake: When Peter and Brian are lounging in the pool, Peter's beer can appears on his stomach between shots. (00:09:30)
Continuity mistake: When Lois starts crying in the supermarket, the boxes on the top shelf change colour between shots. (00:16:40)
