Jackie: Wait! Bayblonian urn.
Ratso: What's a Babylonian urn?
Finn: Probably more than we do!
The boy's comment, "Everybody is kung fu fighting" at the ruined school dance, refers to Carl Douglas' song of the same name from 1974, two years before this episode takes place, following the fledging martial arts craze in America. This song has recently (in a slight variation) resurfaced in Kung Fu Panda.