It's one of those "TV" cuts vs "Non TV cuts" of the movie thing.
http://www.imdb.com/title/tt0074281/alternateversions


I'd still love to get the TV version of Repo Man. (Alex Cox talks about it here: http://www.alexcox.com/dir_repoman.htm)

OR as they say in Hollywood "Flip you, you gosh-darned melon farmer!"