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Revisit the most compelling mysteries explored over the past 15 years of "Ancient Aliens." Experts like Giorgio Tsoukalos, David Childress, William...

Scientists and sci-fi writers explore a hypothetical first-contact event between aliens and humans.

The search for ET, all the latest news presented by Linda Moulton Howe.

In this special edition series of The Proof Is Out There, journalist Tony Harris will present compelling evidence of UFO sightings from around the...

The show takes place from 1944 to 2002 and follows the lives of three families: the Crawfords, who seek to cover up the Roswell crash and the...

20th-century astronaut Buck Rogers awakens in the 25th century after a freak accident puts him in suspended animation for 500 years. Upon returning...

Young Kengo Manaka lives on Mars. As he lives out his peaceful, day-to-day life, the monster Golba suddenly appears, throwing the town into chaos!...

As humanity begins migrating beyond Earth, a new Ultraman named Dyna arrives and bonds with defense organization GUTS' newest recruit, Shin Asuka, to...

Hayata is a member of the Science Patrol, an organization tasked with investigating bizarre anomalies. He is mortally wounded when accidently...

The peaceful alien invasion of Earth by the mysterious “Overlords,” whose arrival begins decades of apparent utopia under indirect alien...

The high commander of an alien expedition lands on Earth -- what he considers to be the least-important planet -- in human form as Dick Solomon....

Yapool, an ancient interdimensional race of beings tries to conquer the Planet Earth with his army of monsters, called Terrible-Monsters. The newest...

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings...

Though claims of extraterrestrial encounters have long been dismissed, many believe the existence of UFOs is not just likely, but a certainty.

Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John...

The series heads to the very frontiers of space and science to produce the definitive television history of science fiction, told through its impact...

In Search of... is a TV series that was broadcast weekly from 1977 to 1982, devoted to mysterious phenomena. It was created after the success of...

American Masters is a PBS television series which produces biographies on enduring writers, musicians, visual and performing artists, dramatists,...

In this true-crime documentary, a cult expert and filmmaker infiltrate a polygamist sect to expose a self-proclaimed prophet and bring him to justice.

Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

Real people sit down with friends and family to share terrifying true stories from their past, re-created through chilling re-enactments.

Explore the surprising things we know (and don’t know) about why people are the way they are through expert interviews, rare footage from...

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Explore the world’s most fascinating, strange and inexplicable mysteries. Each episode features compelling contributions from scientists,...