Ancient Aliens: Secrets of the Pyramid (S5, E1) | Full Episode
For thousands of years, pyramids were the largest structures on Earth. See more in Season 5, Episode 1, “Secrets of the Pyramids.“
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“Ancient Aliens“ explores the controversial theory that extraterrestrials have visited Earth for millions of years.
The HISTORY® Channel, a division of A E Networks, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. The HISTORY® channel has been named the #1 U.S. TV network in buzz for seven consecutive years by YouGov BrandIndex, and a top favorite TV network by Beta Research Corporation. For a deeper dive, visit or follow @history on Instagram, Twitter, Facebook, YouTube and TikTok. For additional press materials visit the A E Networks Press Center at .
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