Continuity mistake: When the guys are all playing cards, Peter has a low amount of blue chips. In all the different shots, Peter goes from having no chips to having a lot. The pile is low in the above shots and high when it is close up on Peter.
To Live and Die in Dixie - S3-E12
Continuity mistake: In the scene when Peter and Brian crash through the wall in the car during dinner, Lois is standing by the table with oven mitts on. In the next shot when Lois asks Peter what he's doing the oven mitts are gone. There was no time to take them off and nowhere to put them either.
Continuity mistake: When Brian is watching TV at first the remote is on the right hand side and there is an olive in his glass, but in the next shot the olive is gone and the remote in on the left hand side. (00:08:10)
Continuity mistake: When Lois is talking about how amazing her singing was, in one shot Stewie disappears from his chair. (00:14:15)
Continuity mistake: When Peter comes home from his fishing trip he leaves mud prints all over the floor. Even Lois points it out, but after he goes through his two flashbacks, the mud is all gone. (00:03:15)
Continuity mistake: In the scene just before Lois doesn't know the lyrics to the song at the KISS concert, there is a multiple flashing of members of the band. In a shot of drummer Peter Criss, he has blond hair instead of his trademark black. (00:12:20)
Brian Does Hollywood (2) - S3-E2
Continuity mistake: When Brian and the Griffins are sitting at the table, there is a salt shaker in between Lois and Brian. But the next time they show where it would be, it isn't there. The glasses also change.
Ready, Willing, and Disabled - S3-E15
Continuity mistake: When Peter is walking out the door to leave from Joe's room, if you look at the t.v. screen, there are no buildings behind the reporter like in previous shots.
Continuity mistake: When Peter Criss jumps out from behind the drum-kit, the 'KISS' logo is at the top of the base drum. Then when he is singing the "Chattanooga Choo Choo" the 'KISS' logo is further down the drum. (00:13:00)
From Method to Madness - S3-E18
Continuity mistake: When we first see Brian at the auditions, he is sitting between Stewie and an empty chair, but when he is called up, he is right next to the aisle. (00:05:00)
Brian Wallows and Peter's Swallows - S3-E17
Continuity mistake: When Brian is driving Peter and his friends back from the planetarium, the steering wheel just appears in front of him in the middle of a shot. (00:04:45)
Continuity mistake: When Lois is saying "I feel so foolish, it seemed like such a good cause", Meg and Stewie disappear from the chair she was sitting on. (00:13:25)
Continuity mistake: During the 'So Long, Farewell' parody, Stewie is seen putting his head on the landing on the stairs, when it cuts back to him, his head is resting on the second stair from the top. (00:04:30)
Continuity mistake: After Peter and Chris have the race to the 'Marker where that girl...', Peter is on the left of the cone, but when the hand comes out, he's on the right. (00:01:40)
Fifteen Minutes of Shame - S2-E12
Continuity mistake: The bush that the artist is painting in the pre-credits scene changes between shots. (00:00:10)
Continuity mistake: When the children are singing, "So Long, Farewell", as they are going upstairs they pass a picture of Lois' parents hanging along the middle of the stairwell. When they get to the top of the staircase, we see the exact same picture, but now at the head of the stairs. (00:04:20)
Ready, Willing, and Disabled - S3-E15
Continuity mistake: When Peter is stealing steroids from behind Mort Goldman's desk, he gets down on his knees to hide. In the next shot, he is standing (albeit bent at the hips).
Other mistake: When Lois knocks out the karate master, if you look in the stands, behind Peter, there is a person without a nose.
Revealing mistake: During the Ozzy Osbourne scene, there is a person in the audience with no mouth. (00:16:10)
Continuity mistake: After Mayor West enjoys eating the taffy, when it cuts to the Griffin family standing on their lawn, the post-mounted mailbox is placed on the right side of the front door's walkway, but then it switches to the left side of the walkway.
