This episode contains multiple references to "Casablanca," including Ms. Musso's black-and-white daydream, in which she sees Dr. Pankow and comments, "Of all the hallways in all the schools in all of the districts, he walks into mine."
"The Ballad of Jed Clampett" is heard as the Federal Education Forum camper arrives to pick up Dr. Pankow for his tour of hillbilly parts of the country.