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During a major excavation, the Knight Templar uncover a secret chamber, in this clip from Ancient Aliens.
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“Ancient Aliens” explores the controversial theory that extraterrestrials have visited Earth for millions of years.
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.
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