The film was riffed by the former Mystery Science Theater 3000 (1988) stars Michael J. Nelson, Bill Corbett and Kevin Murphy for Rifftrax.
For its original 1970 U.S. theatrical release, the film was released to "kiddie matinees" as the second feature on a double bill with the 1966 Italian sci-fi film War Between the Planets (1966).
In the English language release, Guy Madison's (Professor Wendland Wond) voice is dubbed by uncredited actor.