Extraterrestrial Engineering

Extraterrestrial Engineering

Ancient Aliens | Season 22, Episode 4

TV-PG

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UnXplained Zone

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S22 E4: Extraterrestrial Engineering

On Demand • Original Air Date: Feb 5, 2026

Host Giorgio Tsoukalos explores ancient structures that defy conventional explanation; could these mysterious sites contain evidence of extraterrestrial contact in the distant past?

42 Min

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2026

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TV-PG

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Documentary

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Season 14

  • Season 14
  • Season 13
  • Season 12
  • Season 11
  • Season 9
  • Season 4
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S14 E12: Islands of Fire

Original Air Date: Aug 23, 2019

The native Hawaiians trace their ancestry to beings from the Pleiades star system called the Akua; a look at these islands and if they once had been inhabited by extraterrestrials.

3:07-4PM

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53 Min

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TV-PG

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Available with Freestream