 CONT: In the "Darth Vader" scene, when Marty blasts the Van Halen  music into George, there is a shot of Marty with the hair dryer held  tightly on him with a belt, and the next shot of Marty there is no  hairdryer on him. Then the next shot of Marty, the hair dryer is  still missing, then, the next shot of Marty, the hairdryer  "mysteriously" reappears! This was because of a deleted scene, and  the two shots of Marty with the hair dryer were shots that were next  to each other. The shots with the hair dryer "mysteriously" gone  originally did not appear until much later, because originally Marty  had taken the hair dryer out and "threatened" George with it.