![Ancient Aliens: TRUTH UNCOVERED By UFO Investigation (Season 19) Ancient Aliens: TRUTH UNCOVERED By UFO Investigation (Season 19)](https://i.ytimg.com/vi/V5cOeKCZCbs/maxresdefault.jpg)
Did you know that there's a network of private citizens that investigate UFOs? See more in this scene from Season 19, Episode 5, "The MUFON Files." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. ...
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