The record store proprietor is played by legendary blues musician Chuck E. Weiss.
Lorelai's line "Now say 'I can't believe I ate the whole thing'" refers to an old Alka-Seltzer commercial slogan, which won a CLIO award in 1972.
The book that Jess is reading when Rory visits him in New York City is "The Electric Kool-Aid Acid Test" by Tom Wolfe.
In the scene at the end, the audience can see Rory standing in front of the chuppah Luke built.
One of the Graduates listed off in the background before Lorelai graduates is 'Ava Gardner', a popular black and white era actress, and a favorite of the Gilmore Girls.