The Proof Is Out There: Alien Edition

A team of experts separate fact from fiction to figure out the history behind the mystery of some of the most well-known and extraordinary cases of UFO sightings and alien encounters.

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.

Revisit the most compelling mysteries explored over the past 15 years of "Ancient Aliens." Experts like Giorgio Tsoukalos, David Childress, William Henry, and Jason Martell engage in conversations around Ancient Astronaut Theory in each episode.

Yapool, an ancient interdimensional race of beings tries to conquer the Planet Earth with his army of monsters, called Terrible-Monsters. The newest member of the Ultra Brothers, Ultraman Ace, arrives on Earth to aid humanity in the battle against Yapool. Touched by the sacrifices of Seiji Hokuto and Yuko Minami, he revives them and grants them the Ultra Rings, which allows them to transform into Ultraman Ace in times of need.

The TLT is a covert international anti-monster unit established secretly to combat Space Beasts, mysterious monsters that are out to attack humans in the year 2009. One of the TLT's new recruits, Kazuki Komon, is attacked by one of them prior to reporting for duty. However, he is saved by a silver giant that he names "Ultraman". What no one knows is that the silver giant is an Ultraman — to be precise, Ultraman Nexus, ready to fight the Space Beasts to save the planet Earth.

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 existence of aliens; the Keys, who are subject to frequent experimentation by the aliens; and the Clarkes, who sheltered one of the surviving aliens from the crash.

20th-century astronaut Buck Rogers awakens in the 25th century after a freak accident puts him in suspended animation for 500 years. Upon returning to Earth and discovering the planet is recovering from a nuclear war, Buck uses his combat skills and ingenuity to protect Earth and fight evil throughout the galaxy alongside starfighter pilot Colonel Wilma Deering and robot companion Twiki.

Pa a Pi is animated educational TV show, depicting adventures of extraterrestrial cats Pa and Pi during their visit on Earth. Show was created in 1986 to 1989 and consist from animated and acted sequences. Each episode presents one animal. Show was designed by Miroslav Duša, animated by Dalimil Koutek and directed by Miroslav Sobota, Dalimil Koutek (animated part) and Václav Pavel Borovička. Title song written by Karel Svoboda, sung by Marika Gombitová in slovak version. Show was created in studio Prométheus Ostrava in cooperation with german GOLD-FILM Gmbh Pforzheim.

Five kids are given the power to morph into any creature they wish to help them fight villainous Visser Three and his fellow Yeerks, a breed of parasitic aliens threatening Earth.

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 to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

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 Wilkes Booth, and more. Fresh, new evidence and perspectives will be showcased, such as never-before-released documents, personal diaries and DNA evidence.

Explore the surprising things we know (and don’t know) about why people are the way they are through expert interviews, rare footage from historical experiments, and brand-new, ground-breaking demonstrations of human nature at work.

Filmed across six continents, this docuseries uses cutting-edge camera technology to capture animals' nocturnal lives, revealing new behaviours filmed in full color like never before.

Mass UFO sightings from the last 50 years fuel a mystery in this documentary series featuring eyewitness accounts, expert interviews and new evidence.

A series of standalone documentaries powered by the unparalleled journalism and insight of The New York Times, bringing viewers close to the essential stories of our time.

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

The series heads to the very frontiers of space and science to produce the definitive television history of science fiction, told through its impact on cinema, television and literature, with the help of filmmakers, writers, actors, and graphic artists. Each episode will explore one of the enduring themes of science fiction: time travel; the exploration of space; robots and artificial intelligence; and aliens.

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