Origins Unknown: The Alien Presence on Earth

Peabody Award winner Linda Moulton Howe and other experts explore the enigma of the colossal stone pyramids encircling our planet, both their purposes and the incomprehensible technology behind their creation.

This documentary examines unidentified aerial phenomenon. With testimony from high-ranking government officials, and NASA Astronauts, Senator Harry Reid says it "makes the incredible credible."

Uncover clues about the origins of our galaxy with a team of astronomers and scientists as they strive to locate a strange presence hidden deep in the core of the galaxy. Learn how this mysterious realm harbors clues to the origin of the world and probes the future course of our galaxy and universe.

Alien and UFO encounters are not just a modern phenomenon. In fact, they go back thousands of years and amazingly resemble contemporary accounts worldwide. There are eyewitnesses from ancient times that actually recorded them and historical evidence exists in archaeology, landscapes and symbols. Why do we believe ancient accounts about battles and politics and yet ignore records about UFO sightings? From Egypt to Rome, from Africa to Europe, from South America to Australia - sightings have been recorded across vast periods of time, it's clear that we have never been alone.

A storm is forming over the Nueva Córdoba neighborhood, while the statements of a former Canadian defense minister invite us on a journey into the unknown.

This award-winning documentary probes UFO fanatics, government cover-ups, and top alien experts Stanton T. Friedman, Robert O. Dean, Budd Hopkins, Peter Gersten, Don Schmidt, Whitley Strieber, Rich Kronfeld, and hundreds of alien enthusiasts, abductees, and the denizens of Roswell's odd, hilarious Americana.

The show tells a thrilling story of the most remarkable space mission in human history.

Christo Roppolo claims to have been videotaping and communicating with UFOs around Monterey, California, for several years. He contacted filmmaker, Justin Gaar, in 2013 to begin creating a film about his sightings. Skeptical of the footage but intrigued by Christo's eccentricities and wild stories, Justin begins spending time with Christo hunting UFOs along California's beautiful central coast. When a crop circle appears in Monterey County and becomes international news, Christo is validated in his belief of alien contact and Justin, shocked, begins investigating the source of the crop circle and how Christo knows beyond a doubt that he's being contacted by his "brothers from space."

Planetary scientist Carolyn Porco explains what it takes to look for life beyond Earth, and what conditions are required for life to exist. Porco argues that Saturn’s moon Enceladus—with its plumes of water vapor spewing into space, confirmed organic materials, and evidence of hydrothermal vents at the bottom of its liquid ocean—is the most promising place to look. Could Enceladus be the key to proving once and for all that life is not unique to Earth? What would it mean—both scientifically and spiritually—if we found evidence of a true second genesis right here in our own galactic back yard?

This remarkable journey across our planet and universe explores how meteorites, shooting stars, and deep impacts have awoken our wonder about other realms—and make us rethink our destinies.

In 1989, Bob Lazar came forward with an incredible story: He had been recruited by the US government to work at the top secret Groom Lake/Area 51 research base better known as "Dreamland" (actually at the S4 site, Papoose Lake which is a few miles to the south of Groom Lake) to reverse engineer alien spacecraft!