In June 2015, Alex Smith completed a long distance triathlon - a 3.8km swim, 180km bike ride and 42km run - known as the toughest single day challenge you can undertake, carrying his 40kg disabled son the whole way. An epic achievement for his son, who is dying from a fatal muscle wasting disease: Duchenne muscular dystrophy.

From the heights of her modeling fame to her tragic death, this documentary reveals Anna Nicole Smith through the eyes of the people closest to her.

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.

In the Realms of the Unreal is a documentary about the reclusive Chicago-based artist Henry Darger. Henry Darger was so reclusive that when he died his neighbors were surprised to find a 15,145-page manuscript along with hundreds of paintings depicting The Story of the Vivian Girls, in What is Known as the Realms of the Unreal, of the Glodeco-Angelinnian War Storm, Cased by the Child Slave Rebellion.

In 1999, Internet entrepreneur Josh Harris recruits dozens of young men and women who agree to live in underground apartments for weeks at a time while their every movement is broadcast online. Soon, Harris and his girlfriend embark on their own subterranean adventure, with cameras streaming live footage of their meals, arguments, bedroom activities, and bathroom habits. This documentary explores the role of technology in our lives, as it charts the fragile nature of dot-com economy.

This essential new documentary pays tribute to the legacy of the late, legendary casting director Marion Dougherty and shines a light on one of the most overlooked and least understood crafts in filmmaking.

A compilation of over 30 years of private home movie footage shot by Lithuanian-American avant-garde director Jonas Mekas, assembled by Mekas "purely by chance", without concern for chronological order.

This documentary focuses on the actors and their journey over two summers to create the remake to the original IT, by Stephen King. The documentary originally released as bonus material, bundled with IT: Chapter Two.

A documentary about the sport of boxing, as seen through the eyes of champions Mike Tyson, Evander Holyfield and Bernard Hopkins.

A visual montage portrait of our contemporary world dominated by globalized technology and violence.

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.

Documentary on psychedelic potash mines, expansive concrete seawalls, mammoth industrial machines, and other examples of humanity’s massive, destructive reengineering of the planet.

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.

Alex Gibney explores the charged issue of pedophilia in the Catholic Church, following a trail from the first known protest against clerical sexual abuse in the United States and all way to the Vatican.

A real-life undercover thriller about two ordinary men who embark on an outrageously dangerous ten-year mission to penetrate the world's most secretive and brutal dictatorship: North Korea.

Explores the true story of the notorious Jesse James, how the myth developed during his lifetime, and how the legends have persisted over 100 years after his death at the hands of his former friend, Robert Ford.

If you ever find yourself traveling down Interstate 49 through Missouri, try not to blink—you may miss Rich Hill, population 1,396. Rich Hill is easy to overlook, but its inhabitants are as woven into the fabric of America as those living in any small town in the country. This movie intimately chronicles the turbulent lives of three boys living in said Midwestern town and the fragile family bonds that sustain them.

With exclusive access to his extraordinary unseen and unheard personal archive including hundreds of hours of audio recorded over the course of his life, this is the definitive Marlon Brando cinema documentary. Charting his exceptional career as an actor and his extraordinary life away from the stage and screen with Brando himself as your guide, the film will fully explore the complexities of the man by telling the story uniquely from Marlon's perspective, entirely in his own voice. No talking heads, no interviewees, just Brando on Brando and life.

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."

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.

A documentary focused on plastic pollution in the world's oceans.