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Spaceship to the Unknown
- År: 1966
- Land: United States of America
- Genre: TV-film, Science Fiction, Action, Äventyr
- Studio: Hearst Entertainment Productions, Universal Pictures, King Features Syndicate
- Nyckelord: princess, prince, king, shark, tyrant, flash gordon, evil dictator
- Direktör: Frederick Stephani, Ray Taylor
- Kasta: Buster Crabbe, Jean Rogers, Frank Shannon, Charles Middleton, Priscilla Lawson, Richard Alexander