At a certain point in the movie, Toto the Prawn says that the viewer should start listening to Pink Floyd's Dark Side of the Moon album, joking about a popular coincidence relating to The Wizard of Oz (1939): certain songs from the album are said to match perfectly with images from the movie.
The movie pays several homages The Wiz (1978): Dorothy is African-American, Oz is depicted as a modern city, the Flying Monkeys are a biker gang and the Scarecrow, the Tin Man and the Cowardly Lion are tortured in a similar fashion.
The final Muppets production produced by The Jim Henson Company.