Alfred and Lucie Dreyfus, with Kiss as Deep as My Love

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 look at the story behind Marvel Studios and the Marvel Cinematic Universe, featuring interviews and behind-the-scenes footage from all of the Marvel films, the Marvel One-Shots and "Marvel's Agents of S.H.I.E.L.D."!

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.

An unprecedented and intimate look at the life, work and enduring legacy of British actress Audrey Hepburn (1929-1993).

Director Claude Lanzmann spent 11 years on this sprawling documentary about the Holocaust, conducting his own interviews and refusing to use a single frame of archival footage. Dividing Holocaust witnesses into three categories – survivors, bystanders, and perpetrators – Lanzmann presents testimonies from survivors of the Chelmno concentration camp, an Auschwitz escapee, and witnesses of the Warsaw Ghetto Uprising, as well as a chilling report of gas chambers from an SS officer at Treblinka.

A courageous pastor uses his underground network to rescue and aid North Korean families as they risk their lives to embrace freedom.

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

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."

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.

Filmmaker Alain Resnais documents the atrocities behind the walls of Hitler's concentration camps.

For the 20th anniversary of "Titanic," James Cameron reopens the file on the disaster.

Roddy McDowall takes you, film by film, from production meetings to make-up sessions, then right onto the movie set to see the actual filming of the science fiction masterpiece. The most comprehensive history of Planet of the Apes ever created, this fascinating 127-minute documentary explores one of the most imaginative and influential series in movie history.