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* The main plot is similar to the Shakespeare play Romeo and Juliet, the opening lines of which are parodied by Principal Lewis.
* Hayley builds a model of Devil's Tower in Wyoming, a key plot point of the film Close Encounters of the Third Kind.
* Roger's figure and hair during "Over the Rainbow" is a parody of Hawaiian singer Israel Kamakawiwo'ole. A medley of "Over The Rainbow/What A Wonderful World" was his signature song.https://www.youtube.com/watch?v=C9b3_1CcXtY