Roar: The Most Dangerous Movie Ever Made

In Botswana's Okavango Delta, an ostracized lioness and her two cubs must fight alone to survive - overcoming all manner of hazards. Their only defense is to escape to Duba Island -- and with that, an unknown future. The setting for this epic tale is one of the last regions where lions can live in the wild. Faced with dwindling land and increasing pressure from hunting, lions - like our lone lioness and her cubs - are approaching the brink of extinction.

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.

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.

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

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

The definitive 3½-hour documentary about the troubled creation and enduring legacy of the science fiction classic 'Blade Runner', culled from 80 interviews and hours of never-before-seen outtakes and lost footage.

When Allied forces liberated the Nazi concentration camps in 1944-45, their terrible discoveries were recorded by army and newsreel cameramen, revealing for the first time the full horror of what had happened. Making use of British, Soviet and American footage, the Ministry of Information’s Sidney Bernstein (later founder of Granada Television) aimed to create a documentary that would provide lasting, undeniable evidence of the Nazis’ unspeakable crimes. He commissioned a wealth of British talent, including editor Stewart McAllister, writer and future cabinet minister Richard Crossman – and, as treatment advisor, his friend Alfred Hitchcock. Yet, despite initial support from the British and US Governments, the film was shelved, and only now, 70 years on, has it been restored and completed by Imperial War Museums under its original title "German Concentration Camps Factual Survey".

A documentary on the life of John Lennon, with a focus on the time in his life when he transformed from a musician into an antiwar activist.

Stars of "The Walking Dead," Andrew Lincoln and Danai Gurira, walk down memory lane and visit iconic locations where pivotal moments between their characters, Rick and Michonne, were filmed.

Capturing Avatar is a feature length behind-the-scenes documentary about the making of Avatar. It uses footage from the film's development, as well as stock footage from as far back as the production of Titanic in 1995. Also included are numerous interviews with cast, artists, and other crew members. The documentary was released as a bonus feature on the extended collector's edition of Avatar.

Years spent recording footage of creatures from every corner of the globe is bound to produce a bit of drama. Here's a behind-the-scenes look.

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."

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

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.

Join director Chloe Zhao and the Cast of Eternals as they recount their experiences during the making of Marvel Studios’ most ambitious film to date. Discover how the ensemble cast felt stepping into their roles, filming in remote locations, and creating bonds that would help to create the on-screen relationships that span over 7,000 years.

Retrospective documentary about the making of the horror cult classic "The Return of the Living Dead."

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

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