Trek to the Celestial Mountains

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 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."

The film follows adventurer Jeff Johnson as he retraces the epic 1968 journey of his heroes Yvon Chouinard and Doug Tompkins to Patagonia.

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.

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

A documentary about the life and films of director John Ford.

In an intimate and joyful story of love in the face of loss, celebrated poets Andrea Gibson and Megan Falley find strength—and unexpected hilarity—in what might be their final year together.

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.

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.

Alexander McQueen's rags-to-riches story is a modern-day fairy tale, laced with the gothic. Mirroring the savage beauty, boldness and vivacity of his design, this documentary is an intimate revelation of McQueen's own world, both tortured and inspired, which celebrates a radical and mesmerizing genius of profound influence.

Rising musician Jeff Buckley had only released one album when he died suddenly in 1997. Now, never-before-seen footage, exclusive voice messages, and accounts from those closest to him offer a portrait of the captivating singer.

Just two years away from turning 30, participants in Michael Apted's documentary series are facing serious questions of identity and purpose, wondering whether they've found their place in the world.