Stewie and Brian explore a series of alternate universes.
Did You Know?
During the Disney-style sequence, references to at least five different Disney movies appear. Meg is drawn with Ursula's legs (The Little Mermaid), both Lois' clothes and the house are in the style of Snow White, the coffeepot talks (Beauty and the Beast), Peter flies in with the style of the crows from Dumbo, and Cleveland as a skunk is directly patterned on Flower (Bambi). (The Tinkerbell ending to the sequence, however, is a television reference; Wonderful World of Disney.) See more
When Stewie and Brian are in the Doubleheads Universe, before leaving it, they are standing in the front with the door open. You can clearly see a picture of Chris in the back wall with just one head, when he should have two. See more
[sighs as human Brian walks off at the end
"Ah, look at him go. Free in a world of his own kind, where he finally reach the full pent-OH MY GOD HE GOT HIT BY A CAR!
[tires screech off-screen, followed by an audible THUD