21 Again

In this harrowing reality series, “Survivorman” Les Stroud travels to far-flung locales with little more than the clothes on his back and 50 pounds of camera equipment to battle - and try to survive - insanely harsh conditions.

Some of the most amazing, eye-opening and downright scary paranormal videos from around the world are featured as a panel of experts break down the footage and analyze what exactly the eyewitnesses captured.

This hourlong documentary series focuses on the issue of teen pregnancy, with each episode detailing the wide variety of challenges -- marriage, adoption, finances, gossip and graduating high school among them — a pregnant teenager faces while still coming of age.

Documentary series tracking the dreams and worries of Wrexham, a working-class town in North Wales, UK, as two Hollywood stars (Rob McElhenney and Ryan Reynolds) take ownership of the town’s historic yet struggling football club.

The F Word is a British food magazine and cookery programme featuring chef Gordon Ramsay. The programme covers a wide range of topics, from recipes to food preparation and celebrity food fads. The programme is made by Optomen Television and aired weekly on Channel 4. The theme tune for the series is "The F-Word" from the Babybird album Bugged.

Psychic medium Amy Allan and former NYPD homicide detective Steve DiSchiavi investigate locations that are reported to be haunted.

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.

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

Can you tell the difference between fact and fiction? Several stories of strange, mysterious and incredible occurrences are chronicled during each episode. It is up to the viewer to decide which stories actually happened and which were completely fabricated by the show’s writers. The answer is revealed by Jonathan Frakes at the conclusion of each episode.

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.

A documentary series that explores the furthest reaches of the internet and the people who frequent it, Dark Net provides a revealing and cautionary look inside a vast cyber netherworld rarely witnessed by most of us. Provocative, thought-provoking and frequently profound, each episode illuminates an exciting, ever-expanding frontier where people can do anything and see anything, whether they should or not.

The scandalous world of a group of Mormon mom influencers implodes when they get caught in the midst of a swinging sex scandal that makes international headlines. Now, their sisterhood is shook to its core. Faith, friendship and reputations are all on the line. Will #MomTok be able to survive and continue to give the rulebook a run for its money, or will this group fall from grace?

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.

This compelling series investigates the motives and m.o. of female murderers. While males are often driven by anger, impulse and destruction, women usually have more complex, long-term reasons to kill.

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

Natural World is a nature documentary television series broadcast annually on BBC Two and regarded by the BBC as its flagship natural history brand. It is currently the longest-running series in its genre on British television, with more than 400 episodes broadcast since its inception in 1983. Natural World is produced by the BBC Natural History Unit in Bristol, but individual programmes can be in-house productions, collaborative productions with other broadcasters or films made and distributed by independent production companies and purchased by the BBC. Natural World programmes are often broadcast as PBS Nature episodes in the USA. Since 2008, most Natural World programmes have been shot and broadcast in high definition.

Bizarre Foods with Andrew Zimmern is a travel and cuisine television show hosted by Andrew Zimmern on the Travel Channel. The first season debuted on Monday, February 26, 2007 at 9pm ET/PT. Bizarre Foods focuses on regional cuisine from around the world which is typically perceived by Americans as being disgusting, exotic, or bizarre. In each episode, Zimmern focuses on the cuisine of a particular country or region. He typically shows how the food is procured, where it is served, and, usually without hesitation, eats it. Originally a one-hour documentary titled Bizarre Foods of Asia, repeated showings on the Travel Channel drew consistent, considerable audiences. In late 2006, it was decided to turn the documentary into a weekly, one-hour show with the same premise and with Andrew Zimmern as the host. In 2009, Zimmern took a break from Bizarre Foods to work on one season of the spin-off Bizarre World.

An inside look at NFL training camps. From the top coaches to the rookies trying to make the team, Hard Knocks showcases what it takes to be in the NFL.

Dash cams capture footage from urban and rural police forces while on the job. A live look inside the everyday calls of police officers across the nation.

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