Jess says, "There's a definite 'Jess Mariano, this is your life' kind of vibe today."
April asks Luke if he had never seen the original "Star Trek" series.
The elements song on the bus is from the animated 90's show "Animaniacs".
Lane says to Lorelai "It's all about the Hamiltons, baby."
reference to singer/songwriter Paul Anka appearing in this episode