An expedition to the lunar ice caves contracts a deadly moon-fungus. Stopping en route they contaminate a space station with the fungus, which soon begins to take over the entire place. Mutiny in Outer Space was filmed in six days at Producers Studio in Hollywood, beginning on 18 March 1964. The film’s budget was approximately $90,000. The production companies were Hugo Grimaldi Film Productions and Woolner Brothers Pictures. Space Station X and Invasion from the Moon were the film’s working titles.