Hulu

Philo

History

Unidentified Aerial Phenomena

Extraterrestrial Informants

Interstellar Fallout

Extraterrestrial Close Encounters

Aliens and the Buried Past

Mysteries Beneath the Ice

Alien Outposts

Aliens and Mysterious Texts

Aliens and World Leaders

Alien Effigies

Extraterrestrial Pyramids

Aliens and the Unseen

Season 2

Documentary

Ancient Aliens: Special Presentation

Season 1

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