Release
Aired February 5, 2026
42-minute runtime.

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?
Release
42-minute runtime.
Episode type
Ratings and spoiler-safe community activity will attach to this episode as later milestones land.