Thank you, Katrina

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.

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 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 group of British children aged 7 from widely ranging backgrounds are interviewed about a range of subjects. The filmmakers plan to re-interview them at 7 year intervals to track how their lives and attitudes change as they age.

The story of the gold-plated statuette that became the film industry's most coveted prize, AND THE OSCAR GOES TO... traces the history of the Academy itself, which began in 1927 when Louis B. Mayer, then head of MGM, led other prominent members of the industry in forming this professional honorary organization. Two years later the Academy began bestowing awards, which were nicknamed "Oscar," and quickly came to represent the pinnacle of cinematic achievement.

Journey into the extraordinary world of "The Witcher" — from casting the roles to Jaskier's catchy song — in this behind-the-scenes look at the series.

Dick Proenneke retired at age 50 in 1967 and decided to build his own cabin in the wilderness at the base of the Aleutian Peninsula, in what is now Lake Clark National Park. Using color footage he shot himself, Proenneke traces how he came to this remote area, selected a homestead site and built his log cabin completely by himself. The documentary covers his first year in-country, showing his day-to-day activities and the passing of the seasons as he sought to scratch out a living alone in the wilderness.

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

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.