1. The Lovers. Commissioned by Cy Endfield, London, England, 1965. From an idea by Cy Endfield.

  2. Time for Trouble. An original idea developed for Frank Paris, story editor Disney Enterprises, Burbank, California, 1970.

  3. Wheelworld. Commissioned by Roger Corman, 1975. From an original idea by Roger Corman. Not related in any way to the Harry Harrison novel of the same title.

  4. A Green Tomorrow. Commissioned by Lewis Marcus, Drama Director of Radio Telefis Eireann (Irish Television). A one hour play from the short story "The Greening of the Green," by Harry Harrison.

  5. Heavy Metal. A story-boarded screenplay commissioned by 21st Century Productions, using material from the magazines Metal Hurlant and Heavy Metal. Written in collaboration with John Halas animators. None of this material was used in the version of the film which was eventually released by Columbia in 1981.