When Lorelai and Luke are arguing about cell phone use in the diner, Lorelai retorts that she has a problem with Luke's baseball cap. While it is completely in character for Lorelai to give Luke grief about his wardrobe, she actually gave him that particular baseball cap as a gift in an earlier episode.
The Yale professor ( Karl T. Wright ) - was first seen in 'The Road Trip to Harvard' as the professor at Harvard.
Janet states to Paris that she is on "a partial athletic scholarship". Yale, in accordance with Ivy League rules, cannot offer athletic scholarships.
This episode's title "The Fundamental Things Apply" Is a line from the song "As Time Goes By", which was featured prominently in the classic movie "Casablanca". ("You must remember this: a kiss is just a kiss, a sigh is just a sigh. The fundamental things apply as time goes by.")
Rory is asked if she has siblings and she says "no" she has a half sister Gigi