Elisabeth Harnois (Missy Robinson) and Will Friedle (Eric Matthews) both starred in the Wonderful World of Disney TV film My Date with the President's Daughter (1998).
When Missy hits on Cory in her basement, Cory makes a reference to The Graduate (1967). William Daniels (Mr. Feeny) played in that film.
Guest stars Elisabeth Harnois (Missy Robinson) and Lindsey McKeon (Libby Harper) both later appeared on One Tree Hill (2003), though not at the same time.
Topanga is vegetarian but ingests fish oil