When did Ancient Aliens Season 22 Episode 4 air?
Ancient Aliens Season 22 Episode 4 aired on February 5, 2026 at 9 PM ET.
Ancient Aliens
Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.
Created by: Kevin Burns
Season 22 · Episode 4
Extraterrestrial Engineering
Aired Feb 5, 2026at 9PM·42m
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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How long is Ancient Aliens Season 22 Episode 4?
This episode runs for approximately 42 minutes.
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