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Unexplained advances in human evolution point to the work of interstellar beings.

Ancient Aliens

Aliens and the Creation of Man

Ancient alien theorists explore the extraterrestrial origins of mythological gods and ask whether stories of superhuman strength, supernatural powers and the ability to fly can be traced to factual events involving alien beings.

Aliens, Gods and Heroes

UnexplJoin top investigators as they seek to uncover the truth behind some of the world’s greatest mysteries and cover-ups

UnXplained Zone

Theorists speculate about age-old stories of encounters with zombies, vampires and undead creatures and whether these stories point to meetings with extraterrestrials.

Aliens and the Undead

People consider whether ancient man's spectacular structures were built by humans alone or with otherworldly visitors.

Aliens and the Secret Code

People who have claimed to have otherworldly knowledge lead followers to commit horrific acts of violence.

Aliens and Deadly Cults

The founding fathers knowledge of aliens shows up in symbols, architecture and the founding documents of the United States of America.

Aliens and the Founding Fathers

An investigation into the possible connection between extraterrestrial activity and the places with evil reputations, such as Australia's Black Mountains and the forest at the base of Mount Fuji in Japan.

Aliens and Evil Places

From gunpowder to missiles, ancient alien theorists speculate that lethal weapons may have been created with the help of extraterrestrials.

Aliens and Deadly Weapons

Strange carvings in the Mayan city of Copan; the ancient Nazca people who altered their bodies and land.

Aliens and Lost Worlds

Perplexed by unidentified bacteria, some scientists believe plagues and epidemics can be linked with extraterrestrial interventions.

Aliens, Plagues and Epidemics

An ancient mountaintop fortress in Peru constructed with laser-like tools; temples at Vijayanagara India harness cosmic energy; an acoustic chamber in Malta enables interplanetary communication.

Aliens and Ancient Engineers

Festivals, coronations, funerals, and other modern rituals could reflect attempts by early humans to emulate ancient alien visitors.

Aliens and Mysterious Rituals

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Texts, archaeology and legend contain evidence of past human-extraterrestrial contact.

S3 E5 | Aliens and Mysterious Rituals

E16 | Aliens and the Creation of Man

E15 | Aliens, Gods and Heroes

E14 | Aliens and the Undead

E13 | Aliens and the Secret Code

E12 | Aliens and Deadly Cults

E11 | Aliens and the Founding Fathers

E10 | Aliens and Evil Places

E9 | Aliens and Deadly Weapons

E8 | Aliens and Lost Worlds

E7 | Aliens, Plagues and Epidemics

E6 | Aliens and Ancient Engineers

E5 | Aliens and Mysterious Rituals