Continuity: The position of the hole on the leg of Meg's pants changes. In the scene where Meg is putting the mouse traps around Joe, the hole is on the right side. When they arrive at the house with Randy Newman and Meg is telling Peter that the Twinkee factory in Natick may not even exist, the hole is on the left side. This happens again throughout the episode.

Continuity: When Meg is putting down traps for Joe, she puts down a lot. Then when the Griffens leave and the giant rat comes, there are only a few. Then when Joe says "bring it on," there are a lot again.

Continuity: When the government people are looking at the missiles spelling 'Happy New Year', the 'Y' in 'Year' changes distinctly between shots.

Continuity: When the family comes out of the house after the apocalypse and finds Peter impaled on a "gag" fence, watch the way the fence is stuck in him. At first the thin side is up and down, meaning the band going around Peter would attach to the wider side of the fence. When he takes it off, the band is attached to the thin edge, which makes the previous shot of him impaled impossible.

Continuity: When Peter drinks the water after having all the dehydrated meals, he expands. Then in the next 'shot' he is much bigger, even though there is no time for him to have expanded further.

Continuity: When the Griffins are leaving Quahog and Meg is putting mouse traps down for Joe, the traps disappear and reappear in different spots than she put them during the rest of the scene.