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Ancient Aliens – Season 22, Episode 4 Extraterrestrial Engineering

Play trailer Ancient Aliens – Season 22, Episode 4 Extraterrestrial Engineering Aired Feb 5, 2026 Documentary History Play Trailer Watchlist
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Host Giorgio Tsoukalos explores ancient structures that defy conventional explanation; from the precisely cut stone blocks at Puma Punku to the temples of Malta and the megalithic city of Nan Madol, could these mysterious sites contain evidence of extraterrestrial contact in the distant past?
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Ancient Aliens — Season 22, Episode 4

Cast & Crew

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Robert Clotworthy

Narrator

Giorgio Tsoukalos

Actor

Erich von Däniken

Actor

David Childress

Actor

William Henry

Actor

Linda Moulton Howe

Actor
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Ancient Aliens — Season 22, Episode 4

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Episode Info

Synopsis Host Giorgio Tsoukalos explores ancient structures that defy conventional explanation; from the precisely cut stone blocks at Puma Punku to the temples of Malta and the megalithic city of Nan Madol, could these mysterious sites contain evidence of extraterrestrial contact in the distant past?
Executive Producer
Kevin Burns, David Silver, Kim Sheerin, Max Thompson, Susan Leventhal
Network
History
Rating
TV-PG
Genre
Documentary, History
Original Language
English
Release Date
Feb 5, 2026