Quagmire takes Peter and Joe on a ride in a A6M Zero fighter. However, the A6M Zero is a single seater plane.
When the worker finds Peter crying in the grocery store, her name tag is on the left side of her shirt. When we see her on the intercom to get Lois to pick up Peter, it has switched to the right side of her shirt.
Peter attempts to give Quagmire hepatitis, although Peter should have already known Quagmire had it because he tells both Joe and Peter he has hepatitis in "Don't Make Me Over".
In this episode, Stewie dresses up for his first Halloween, even though he turn one in season one's "Chiddy Chiddy Death Bang".