Disclosure with Dr Steven Greer

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.

Ryan Bergara (a believer in the supernatural) and Shane Madej (a skeptic) travel to alleged haunted locations to investigate paranormal activity.

Secrets from the "Stranger Things 2" universe are revealed as cast and guests discuss the latest episodes with host Jim Rash. Caution: spoilers ahead!

Travel around the world with author Dan Buettner to discover five unique communities where people live extraordinarily long and vibrant lives.

The acclaimed docu-series takes you on a lightning-fast journey through a day in the life of WWE's most intriguing Superstars and groundbreaking events.

An insider's look at the engineering and scientific miracles behind the things that form the modern world.

Motoring programme featuring reviews of and reports about cars of all types.

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

Hosted by Morgan Freeman, Through the Wormhole explores the deepest mysteries of existence - the questions that have puzzled mankind for eternity. What are we made of? What was there before the beginning? Are we really alone? Is there a creator? These questions have been pondered by the most exquisite minds of the human race. Now, science has evolved to the point where hard facts and evidence may be able to provide us with answers instead of philosophical theories. Through the Wormhole brings together the brightest minds and best ideas from the very edges of science - Astrophysics, Astrobiology, Quantum Mechanics, String Theory, and more - to reveal the extraordinary truth of our Universe.

Before he was Hulk Hogan, he was Terry Bollea. Uncover the man behind the legend in this unfiltered documentary featuring his very last interview.

MegaStructures is a documentary television series appearing on the National Geographic Channel in the United States and the United Kingdom, Channel 5 in the United Kingdom, France 5 in France, and 7mate in Australia. Each episode is an educational look of varying depth into the construction, operation, and staffing of various structures or construction projects, but not ordinary construction products. Generally containing interviews with designers and project managers, it presents the problems of construction and the methodology or techniques used to overcome obstacles. In some cases this involved the development of new materials or products that are now in general use within the construction industry. MegaStructures focuses on constructions that are extreme; in the sense that they are the biggest, tallest, longest, or deepest in the world. Alternatively, a project may appear if it had an element of novelty or are a world first. This type of project is known as a Megaproject.

What happened to Mica Miller? This documentary series retraces her promising life, toxic marriage and the mysterious circumstances of her death.

The documentary takes viewers through Janet Jackson's life and career, contain never-before-seen footage, and feature home videos from the legendary artist. Jackson discusses her controversial 2004 Super Bowl halftime show performance with Justin Timberlake, her father Joe Jackson, the death of her brother Michael Jackson, and more.

Hosts Ryan & Shane discuss mysteries surrounding notorious unsolved crimes.

Don Wildman unearths relics from the world's greatest institutions to reveal secrets from the past. He examines each artifact to illuminate history's most incredible triumphs, sensational crimes and bizarre encounters.

Through bodycam footage, texts and interviews with loved ones, this documentary investigates the horrifying murder of four University of Idaho students.

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.

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.

Doctor Who Confidential is a documentary to complement the revival of the long-running British science fiction television series Doctor Who. Each episode was broadcast on BBC Three on Saturdays, immediately after the broadcast of the weekly television episode on BBC One. The running time of the first two series was 30 minutes, being extended to 45 minutes in the third. BBC Three also broadcast a cut-down edition of the programme, lasting 15 minutes, shown after the repeats on Sundays and Fridays and after the weekday evening repeats of earlier seasons.

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.