Extraterrestrial Engineering
Ancient Aliens · Season 22 · Episode 4
Host Giorgio Tsoukalos probes the series archives to explore remarkable ancient structures that defy conventional explanation. From the precisely cut stone blocks at Puma Punku, to the gigantic temples of Malta, and the megalithic city of Nan Madol, could these mysterious sites contain evidence of extraterrestrial contact in the distant past?
Episode Details
Air date, runtime, timezone, and episode position.
Season
22
Episode
4
Air Date
05/Feb/2026
Air Time
21:00
Runtime
42 min
Overview
Episode summary.
Host Giorgio Tsoukalos probes the series archives to explore remarkable ancient structures that defy conventional explanation. From the precisely cut stone blocks at Puma Punku, to the gigantic 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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