Rare and Out Of Print. Duplicated in the superior SP mode, beware of the 'Video Treasures' label which is not. Three youths in a recreation vehicle (Dennis Christopher, Martin Hewitt, Lynn-Holly Johnson), travelling through Spain, stop in a town where citizens are controlled by microbes brought from the moon by a Skylab sattelite. A subplot involving Professor Tracer (Luis Predes), is a NASA scientist trying to find a cure. Some of the highlights are a briefly seen 'Alien'-copy life form plus a mutilated cow and dog eat each other and there are chest bursting scenes.