The tagline was "Roadmovie auf der Milchstraße"; they should have shot this unbearable film far into space. The story (or what appears to be one) is totally aimless, every joke falls flat, the specials effects and sets are implausible, the cast is very much in need of oxygen. Götz George has his worst part ever.
The makers were even not ashamed to misuse Dean Martin for no purpose on the soundtrack.
Review by jan onderwater from the Internet Movie Database.