Although well-regarded by critics, the screenplay is generally considered to have been unfilmable for practical reasons, given the technology and average film budgets of the time. Asimov also believed that the film may have been scrapped owing to a conflict between Ellison and the producers: when the producers suggested changes in the script, instead of being diplomatic as advised by Asimov, Ellison "reacted violently" and offended them.Isaac Asimov, "Hollywood and I". In Asimov's Science Fiction, May 1979.
