When discovering that Jackie and Hyde are together, Eric tells her, "You're breaking up the band, Yoko!". This is a reference to Yoko Ono, whose relationship with John Lennon is often cited as one of the reasons why the Beatles broke up.
Laura Prepon hated the Catholic School uniform she had to wear throughout the season.
Hyde tells Eric to "Settle down, Esmeralda." Esmeralda was a nervous nanny character on Bewitched.
On Fantasy Island, visitors were greeted each week by Ricardo Montalban playing Mr. Roarke and Herve Villechaize as Tattoo, his diminutive (but adult) assistant. Both wore white suits.