Top Ten Alien Cover-Ups Ancient Aliens : Season 17 Episode 3

TV-PG History 42m int(0)

Aired: August 20th, 2021 @ 9:00 PM EST on History

Ancient Aliens is counting down the world's top ten alien cover-ups, from the famous Roswell Incident to a secret military base rumored to be housing ET technology to recently released UFO videos captured by cameras on Navy fighter jets. Has there been a massive cover-up regarding the truth about an extraterrestrial presence on Earth?