Ancient Aliens S22E04 — Extraterrestrial Engineering
Feb 05, 2026
42m
⭐ 7.0
Season 22
Overview
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?
