When did Ancient Aliens Season 21 Episode 4 air?
Ancient Aliens Season 21 Episode 4 aired on February 28, 2025 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 21 · Episode 4
The Top Ten Unexplained Technologies
Aired Feb 28, 2025at 9PM·42m
Ancient Aliens is counting down ten of the most astonishing and unexplainable technologies in history. From mysterious golden orbs discovered in Mexico, to a sacred wooden box that could communicate with the heavens and an ancient tomb that is said to depict an astronaut. Might these sensational artifacts be evidence of otherworldly contact?
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Direct answers for episode-level questions and details.
How long is Ancient Aliens Season 21 Episode 4?
This episode runs for approximately 42 minutes.
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