Supervolcano: Yellowstone's Fury

In 1997, Louis Theroux made a documentary about the world of male porn performers in Los Angeles. 15 years later, he returns to find a business struggling with the deluge of free porn on the internet. Louis revisits some of the original programme's contributors as well as meeting the latest crop of porn performers dreaming of porn stardom.

A doomed love triangle between intrepid French scientists Katia and Maurice Krafft, and their beloved volcanoes.

Louis Theroux travels to California to meet the man dubbed "the most dangerous racist in America"; Tom Metzger. Louis meets him, his family and his publicity manager as well as following him to skinhead rallies and on a visit to Mexico.

A documentary on the making of the three Godfather films, with interviews and recollections from the film makers and cast. This feature also includes the original screen tests of some of the actors for "The Godfather" film, and some candid moments on the set of "The Godfather: Part III."

On September 15, 1963, a bomb destroyed a black church in Birmingham, Alabama, killing four young girls who were there for Sunday school. It was a crime that shocked the nation--and a defining moment in the history of the civil-rights movement. Spike Lee re-examines the full story of the bombing, including a revealing interview with former Alabama Governor George Wallace.

A look at how climate change affects our environment and what society can do to prevent the demise of endangered species, ecosystems, and native communities across the planet.

A homemade flying saucer lifts off, and a 6-year-old boy might be inside. National panic ensues — but what truly happened? This documentary investigates.

A documentary on the expletive's origin, why it offends some people so deeply, and what can be gained from its use.

Learn the incredible behind-the-scenes story of how the original Star Wars movie was brought to the big screen in this fascinating documentary hosted by C-3PO and R2-D2 which includes interviews with George Lucas and appearances by Mark Hamill, Harrison Ford and Carrie Fisher.

A subjective documentary that explores various theories about hidden meanings in Stanley Kubrick's classic film The Shining. Five very different points of view are illuminated through voice over, film clips, animation and dramatic reenactments.

A look behind the lens of Christopher Nolan's space epic.

A detailing of the rise to prominence and global sporting superstardom of six supremely talented young Manchester United football players (David Beckham, Nicky Butt, Ryan Giggs, Paul Scholes, Phil and Gary Neville). The film covers the period 1992-1999, culminating in Manchester United's European Cup triumph.

A comedic, brutally honest documentary following self-destructive TV writer Dan Harmon as he takes his live podcast on a national tour.

David Blaine's signature brand of street magic mystifies the most recognisable celebrities in the world, such as Jamie Foxx, Bryan Cranston, Aaron Paul, Ricky Gervais, Katy Perry, Woody Allen, and Robert DeNiro, to name a few. He goes to the homes of Kanye West and Harrison Ford, Will Smith and Olivia Wilde. He pays a visit to Stephen Hawking at his office in Cambridge University. Blaine also travels the world, astonishing people from all walks of life with never-before seen, inconceivable magic.

Explore how writers Steven Moffat and Mark Gatiss created the hit television sensation. Take a personal voyage through the versions of Holmes that have served as inspirations for the new series - the original stories, their factual origins, hundreds of film adaptations - to arrive at their thoroughly modern Sherlock. Moffat and Gatiss explain the challenges they encountered adapting the original adventures of the iconic super-sleuth. Go behind the scenes on the set of the hit television series, including interviews with actors Benedict Cumberbatch, Martin Freeman and Lara Pulver, who talk about the reinvention of their fictional characters.

A documentary on a former Miss Wyoming who is charged with abducting and imprisoning a young Mormon Missionary.

In 2010 David Crowley, an Iraq veteran, aspiring filmmaker and charismatic up-and-coming voice in fringe politics, began production on his film Gray State. Set in a dystopian near-future where civil liberties are trampled by an unrestrained federal government, the film’s crowd funded trailer was enthusiastically received by the burgeoning online community of libertarians, Tea Party activists and members of the nascent alt-right. In January of 2015, Crowley was found dead with his family in their suburban Minnesota home. Their shocking deaths quickly become a cause célèbre for conspiracy theorists who speculate that Crowley was assassinated by a shadowy government concerned about a film and filmmaker that was getting too close to the truth about their aims.

A documentary about how a dominant cultural and demographic institution both sustains their traditional activities and adapts to the digital revolution.

Vulgar, taunting texts blow up the phones of a teen and her boyfriend. Who's sending them — and why? This twisty documentary reveals the shocking answer.

JB Smoove and Martin Starr host a celebration of 20 years of "Spider-Man" movies, from the Sam Raimi trilogy to Marc Webb's movies and the trio from Jon Watts.