Is it possible that we've never really been alone? See more in this epic marathon from UFO Files.
#UFOFiles
Subscribe for more HISTORY:
http://histv.co/SubscribeHistoryYT
Check out exclusive HISTORY content:
History Newsletter - https://histv.co/newsletter
Website - https://histv.co/History
Facebook - https://histv.co/Facebook
Twitter - https://histv.co/Twitter
HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.