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Signs of the Second Coming (S1, E6) | Ancient Aliens | Full Episode
There is evidence that suggests we experienced 20th century alien contact. In 1942, the Battle of Los Angeles involved the US military. In Season 1, Episode 6, "The Return." Stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule #AncientAliens Subscribe for more from Ancient Aliens and other ...
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