Lorelai suggests that she may live a life similar to Kathryn Hepburn's character in this film
Lorelai mentions that Fred Gwynne went to Harvard and references Herman Munster.
Rory remarks that all of Lorelai's college slang comes from "Happy Days."
Rory quotes the film's famous last line.
Lane says that she smuggled her bootleg CD's through customs by strapping them to her body. This is the series' 2nd reference to this movie.
Rory calls Lorelai Rizzo for suggesting sneaking a smoke and checking for an aspirin in her coke. This is the series' 2nd reference to this movie
When Lorelai is looking at pictures of Valedictorians a close up of blonde girl who's name is 'Erika Palmer' is shown. No doubt a reference to Laura Palmer especially since co-creater David Lynch is referenced earlier in the show.
Rory to Lorelai: "Your 'Behind the Music' is gonna be really wild."
Rory cites it as an example of Nicolas Cage's lack of subtlety.