Following the first scene in which Stewie discovers his mole, it switches sides for the remainder of the episode.
When Peter hides in the tree in his front yard, that's the only scene that contains the tree.
Stewie tells Brian after his cancer scare that he wants to go to the Chicago Museum of Art. The correct name is The Art Institute of Chicago.
Tanning beds have shut off timers on them.
When Peter talks to Kyle, he introduces himself as 'Chris Griffin's father'. During the conversation, Kyle mocks Peter by saying: "My name is Peter Griffin. I'm a big fat dumb butt-face." despite the fact that Peter never revealed his first name.