![](https://image.tmdb.org/t/p/w500/aF6juKI8JkSacQrzIqjfNkjgNke.jpg)
Documentary
50 minutes
Horizon investigates whether first contact with aliens has already occurred. The publication of 'Chariots of the Gods?' by Erich von Daniken is central to this documentary and some of von Daniken's claims of evidence of extra-terrestrial visitations.
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