Spaceship to the Unknown
- Taon: 1966
- Bansa: United States of America
- Genre: TV Movie, Science Fiction, Action, Adventure
- Studio: Hearst Entertainment Productions, Universal Pictures, King Features Syndicate
- Keyword: princess, prince, king, shark, tyrant, flash gordon, evil dictator
- Direktor: Frederick Stephani, Ray Taylor
- Cast: Buster Crabbe, Jean Rogers, Frank Shannon, Charles Middleton, Priscilla Lawson, Richard Alexander