Continuity mistake: When Neil points out the poster for Meg, Meg has 2 books in her arms that become one. (00:04:20)
Revealing mistake: Watch closely when Brian is demonstrating orbit. The apple can be seen to go through Peter's hand a couple of times. (00:07:50)
Continuity mistake: When Joe lifts his steak to his mouth you can see a section cut out of the steak on the plate. When he shoots the plate, the steak is whole. (00:01:50)
Continuity mistake: The fork with steak on it that's on Joes plate disappears between shots. (00:02:05)
Continuity mistake: At the steakhouse before Joe shoots the table we see Peter's knife on his plate but it suddenly appears on the table. (00:02:00)
Brian Goes Back to College - S4-E15
Continuity mistake: When the team arrives at the cat stuck in a tree, they knock a mailbox onto a pathway. When the tree falls on the house, the van and mailbox have moved. (00:10:30)
Brian Goes Back to College - S4-E15
Other mistake: When the A-Team arrives at the scene of cat stuck in a tree, the windscreen and windows of the van are all greyed out. (00:10:30)
Brian Goes Back to College - S4-E15
Continuity mistake: When we see Brian outside of Brown University for the first time, a man in a yellow shirt appears from nowhere. (00:08:00)
Brian Goes Back to College - S4-E15
Continuity mistake: When the guy from the New Yorker rings Brian, a newspaper appears on his desk between shots. (00:02:50)
Brian Goes Back to College - S4-E15
Continuity mistake: At the start Stewie is sat in the middle of the middle cushion on the sofa. However, as Lois walks off he is now sat on the join of two cushions nearest Brian. (00:02:25)
Brian Goes Back to College - S4-E15
Continuity mistake: When Stewie runs in to film Brian after he got fired, Lois has her arms crossed. When we see it from the camera's POV, her arms are in completely differently positions. (00:07:10)
The Cleveland-Loretta Quagmire - S4-E5
Continuity mistake: During the cut away to Superman and the good trying to attack him, Superman is on a ledge around 5ft in height however this instantly becomes a mere step. (00:08:30)
The Cleveland-Loretta Quagmire - S4-E5
Continuity mistake: When Peter is discussing them taking away his CPR card, they are in front of an orange house, but when when they hear Loretta they are now to the side of it. (00:05:40)