Ancient Aliens
Extraterrestrial Engineering still
S22E0442 min· aired 2/5/2026

Extraterrestrial Engineering

TMDb7.0
Nexus es170693TMDb ep 6886410TVDb ep 11599967

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?