 Burns 's walk through the supermarket was based on a false rumor that George H. W. Bush visited a store and was confused by the scanner and , in the original draft for the episode , Burns met Bush while there . When bidding farewell to the hippie Mr. Burns says " Shine On You Crazy Diamond " a reference to Pink Floyd 's song of the same name . The hippie responds by saying that Burns needs to stop living in the past . The voice of the hippie is based on Dennis Hopper 's character in Apocalypse Now . " Achy Breaky Heart " , a song by Billy Ray Cyrus , is played at the old folks ' home . The scene where Mr. Burns chases Lisa through town is a spoof of the opening to the TV series That Girl . The scene where Lisa runs through the streets proclaiming recycling as evil spoofs the finales of Soylent Green and the original The Invasion of the Body Snatchers . 
