Ancient Aliens

Extraterrestrial Engineering

Documentary

S22, E4: 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?

Feb 5, 2026 · 39m

Information

Released
2026
Run Time
39 min
Rated
TV-PG
Content Advisories
Violence
Region of Origin
United States
© 2026 A+E Networks. All Rights Reserved.

Languages

Original Audio
English, English (United Kingdom)
Audio

English (United States) (AAC)

Subtitles

English (United States) (CC)

Accessibility

Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.