These special compilation episodes of "Ancient Aliens" explore the controversial theory that extraterrestrials have visited Earth for millions of years.

Examining whether shadow people, spirits, poltergeists and other strange beings that have appeared in ancient texts and folklore could be otherworldly visitors that originate from unseen realms and ...

‘Predator: Badlands’ contains several references to the ‘Alien’ franchise, but how deep does the connection go, and what does it mean for future sewu Alien and Predator aren’t nearly as intertwined as ...

Ancient Astronaut theorists have long proposed that Earth is an extraterrestrial laboratory. If so, does it extend beyond humans into the animal kingdom? Accounts of animalist gods can be found across ...