13, 2008 by Lionsgate Home Entertainment. The standard DVD, containing the film only, used an incorrect open matte transfer; it was originally shot for theatrical exhibition in the 1.66:1 widescreen aspect ratio. In December 2016, the film was announced for both DVD and Blu-ray reissue by Kino Lorber. References Notes Bibliography Ichbiah, Daniel. Robots: From Science Fiction to Technological Revolution. New York: Harry N. Abrams, 2005. . Maltin, Leonard. Leonard Maltin's Movie Guide 2009. New York: New American Library, 2009 (originally published as TV Movies, then Leonard Maltin’s Movie & Video Guide), First edition 1969, published annually since 1988. . Terrace, Vincent. Crime Fighting Heroes of Television: Over 10,000 Facts from 151 Shows, 1949-2001. Jefferson, North Carolina: McFarland & Company, 2002. . Warren, Bill. Keep Watching the Skies: American Science Fiction Films of the Fifties, 21st Century Edition (revised and expanded). Jefferson, North Carolina: McFarland & Company, 2009. . Weaver, Tom. Return of the B Science Fiction and Horror Heroes: The Mutant Melding of Two Volumes of Classic Interviews. Jefferson, North Carolina: McFarland & Company, 2000. . External links 1954 films 1950s science fiction films American robot films American black-and-white films American science fiction films Republic Pictures films 1950s English-language films 1950s American films