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Examining some of the thousands of potentially habitable exoplanets discovered over the past 20 years and whether some of them could be home to intelligent extraterrestrial life.

Ancient Aliens

Secrets of the Exoplanets

A look at if governments around the world are preparing mankind for the most startling event in human history, the official disclosure of an extraterrestrial presence on Earth.

Countdown to Disclosure

In 2019, millions responded to an internet post advocating to storm the gates of the world's most top-secret military installation -- Area 51 but when they did, the U.S. military vowed to defend the base with deadly force.

The Storming of Area 51

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

UnXplained Zone

Tattoos, piercings, and body modification account for a nearly one-billion-dollar industry, but are these practices a bold form of self-expression or could they be motivated by a profound link to ancient ancestors.

Human Hieroglyphs

Divine substances were consumed by the gods but sometimes gifted to humans to impart great power or wisdom; could the food of the gods be sustenance for alien visitors and does it lend insight into humanity's future.

Food of the Gods

A shocking study reveals that the original builders of Stonehenge mysteriously vanished; but Stonehenge's mysterious Bluestone circle could have activated a portal that transported the ancient culture back to their former home among the stars.

The Secrets of Stonehenge

History - fascinating and exclusive programs on subjects ranging from American and world history to explorations of major events in politics, entertainment and social history.

History

A look at the possibility that the human brain possesses extraordinary untapped abilities granted by extraterrestrial beings -- such as telepathy, precognition and psychokinesis; abilities that will enable the next step in the evolution of humans.

The Alien Brain

A mysterious mountain in northern Italy has stood witness to strange sightings in the sky and unexplainable phenomena for hundreds of years but could it be attracting extraterrestrial visitors and there could be technology within its rocky slopes.

The Alien Mountain

UFOs have been reported at the world's nuclear facilities ever since the first atomic bomb in 1945, with many suspecting that extraterrestrials are watching humanity's nuclear potential.

The Nuclear Agenda

Throughout the ancient world, structures were built to mirror the constellations in the night sky and this is only apparent when they are viewed from high above; a look at the possibility that these structures were designed as messages.

The Constellation Code

The native Hawaiians trace their ancestry to beings from the Pleiades star system called the Akua; a look at these islands and if they once had been inhabited by extraterrestrials.

Islands of Fire

According to some Ancient Astronaut theorists, entities that have been described as ghosts, angels and extraterrestrials are actually visitors from unseen realms, and they walk on Earth.

The Trans-Dimensionals

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

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History HD reveals the power and passion of history as an inviting place where people experience history personally and connect their own lives to the great lives and events of the past.

S14 E16 | The Alien Brain