 The film was released 3 different times (ntsc format)on dvd and each disc  features a different aspect ratio. The first dvd edition from Critical mass  (25th anniversary) used the proper full frame format (the film was shot this  way). The second dvd release from Critical Mass (listed as being just a  special edition) uses a 1:75:1 aspect ratio, it was also noted that director  Bob Clark approved of this ratio. The latest dvd special edition from  Critical Mass (December, 2006) uses an over