The musical number with Stewie and a live-action Gene Kelly is an edited scene from the movie Anchors Aweigh (1945). The sequence originally involved Jerry Mouse of Tom and Jerry fame. Stewie's reflection on the floor remains that of Jerry.
During the yard sale there is a video of Family Guy Presents Stewie Griffin: The Untold Story.
Peter is shown watching Krabby Land/The Camping Episode (2004). This episode's director, Dan Povenmire, was a writer on that episode of "Spongebob".
This is the third "Road to..." episode. The others being 'Road to Rhode Island' and 'Road to Europe'.
Brian picturing Stevie as the devil during their helicopter crash is a reference to "Planes, Trains, and Automobiles" (1987)