Petergeist - S4-E26
Continuity mistake: The table with the TV on in Peter and Lois' room is just a small table at the beginning of the episode when Stewie talks to the poltergeist. But as they speak to Stewie in the TV it's on a high up chest of drawers. (00:08:00 - 00:12:00)
Petergeist - S4-E26
Continuity mistake: Lois slaps the skull out of Peter's hand and it lands on top of the dirt pile. They both turn around to look at the house and the skull is nowhere in sight.
Petergeist - S4-E26
Continuity mistake: The filing cabinet that was beside the TV moves to the corner beside the desk.
Petergeist - S4-E26
Continuity mistake: When the spirits first come out of the TV, notice the wall beside the TV. There's nothing there. Brian says who's here? Next shot shows a filing cabinet with a pink blanket on top.
Untitled Griffin Family History - S4-E27
Continuity mistake: In the scene where Al Cowlings and his "trusty white bronco" help the Griffins escape, his white horse changes color to light brown during the passing view then changes back to white in the following overhead view.
Continuity mistake: When Stewie is trying to get a drink from Brian, there are two alcohol bottles on top of the table. But one is gone for two shots, then comes back. Also the bottles change from closer to father.
Continuity mistake: Brian insults Stewie about the water and there is a water glass by Bryan's plate. Then it cuts to a shot of Stewie and Chris, and the glass is gone.
Stu & Stewie's Excellent Adventure - S4-E30
Continuity mistake: At the end of the previous episode, Stewie gets on a cable car and sits next to older Stewie and they are facing out of the car. However, at the start of this episode, the seat they are sitting on is facing forwards.
Continuity mistake: At the start, Chris' hat is all yellow instead of yellow and black. (00:00:30)
Continuity mistake: When Peter is playing with Stewie's nose, Stewie's arms are by his side, but when the shot changes, he's got his arms in front of him. (00:08:10)
Continuity mistake: When Peter says about suing Dr. Hartman, Lois is holding Stewie who is asleep and facing Peter. When the shot changes, Stewie is now looking towards Brian. (00:08:20)
Continuity mistake: When Stewie keeps saying "mum", he's not stood next to a rug. When the shot changes, a blue rug has appeared next to Stewie. (00:11:40)
Continuity mistake: When Lois is carrying Stewie down the stairs, the brick patterns in the wall change between the wide shot and the close-ups. (00:14:10)
Continuity mistake: When Lois is talking to Brian about having homicidal thoughts, the rug colours swap order. (00:14:20)
Continuity mistake: When Lois opens the door to Peters mum, Peter appears at the door and Lois simply vanishes. (00:05:00)
Continuity mistake: When Peter is going for ice cream, his fork simply disappears from his plate. (00:18:40)
Continuity mistake: When Meg is talking about getting a job and buying a car, Stewie goes from reading a book to reading a newspaper. (00:09:20)
Continuity mistake: When Brian is talking about Superstore USA, he goes from sitting on the carpet to sitting on the rug without moving. (00:09:50)
Continuity mistake: When Meg gets promoted, there is a gap in the books on the shelf. When she stands up, the gap is gone. (00:18:30)
Continuity mistake: When Meg's boss tells her to fire Peter, he has plungers on his nipples. He walks over to Meg and takes them off. A second later his shirt is tucked in without Peter being able to tuck it in. He's holding plungers in both hands.
