Biff hired a taxi and followed "Doc's" 'time-machine' DeLorean car to Hilldale where he stole it, and then returned to the year 1955.Suddenly, flames burst from the furnace and he turned to see Freddy laughing at him, urging: "Go ahead, Jesse.The camera zooms in for a gigantic close-up of the severed ear and descends slowly into the disembodied, dirty ear, as if entering a conduit o probe into its depths (like spiraling into a conch shell or into a brain), accompanied by a loud roaring sound on the soundtrack - a visual clue to the impact of sounds and aural observation.After a long fight together as the two doppelgangers faced off (in a scene reminiscent ofMetropolis (1927)), Vicki and Batman found themselves dangling from the ledge of the belltower.