William Shatner explores the theory that the U.S. government is involved in a cover-up of visiting alien spacecraft. Based on a book by Erich von Däniken, this documentary contains evidence of extraterrestrial life here on earth. Proof discovered through photographs taken by scientists and evidence of actual voyages found by archaeologists.
| Writing | Charles Romine | Writer |
| Writing | Erich von Däniken | Author |
| Writing | Manfred Barthel | Screenplay |
| Directing | Charles Romine | Director |
| Directing | Harald Reinl | Director |
| Writing | Jorge Rado | Story Editor |
| Sound | Peter Thomas | Music Director |
