The Polygram version deleted some material from the original that was under copyright.
Released on DVD in 2002 (as "Version 23R") with some changes. The original collage opening was removed, and the film begins with the Hal Robins "warning" statements. Also, some of the copyrighted footage was replaced.
Re-released on DVD in 2005 with new animations, new footage, as well as "Deleted Scenes" and other features.