![Ancient Aliens: Secret Alien Codes Deciphered *3 Hour Marathon* Ancient Aliens: Secret Alien Codes Deciphered *3 Hour Marathon*](https://i.ytimg.com/vi/1uWqAfSlA_w/maxresdefault.jpg)
Why are humans so different from every other species on Earth? Did we evolve from ape--or is our intelligence the result of contact with an otherworldly source? See more in this 3 hour marathon from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date ...
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