Richard Williams’ (Who Framed Roger Rabbit) unfinished magnum opus, based upon the 1001 nights.  Because it was in production from 1964 until 1995, a total of 31 years, The Thief and the Cobbler holds the record for having the longest production time for a motion picture in history Running time: 1 hour 37 mins

[gv data="http://video.google.com/googleplayer.swf?docId=-2263043366719734101&hl=en"][/gv]