Ten of Muhammad Ali's former rivals pay tribute to the three-time world heavyweight champion.

A heartfelt documentary focusing on the day-to-day lives of professional wrestlers, some on the rise, some on the wane, and others fighting for their lives.

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.

The life and career of one of comedy's most inimitable modern voices, Mr. Gilbert Gottfried.

The late 1950s were known as golden years in the world of motor racing, champions were made and lost on a Sunday, and no losses were greater than those of Enzo Ferrari’s Scuderia. Based on Chris Nixon’s bestselling biography Mon Ami Mate, Ferrari: Race to Immortality tells the story of the loves and losses, triumphs and tragedy of a turbulent era that shook the motor racing world.

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.

Unravel the case of Utah therapist Jodi Hildebrandt, whose child abuse arrest with parenting YouTuber Ruby Franke exposed a twisted tale of manipulation.

Vulgar, taunting texts blow up the phones of a teen and her boyfriend. Who's sending them — and why? This twisty documentary reveals the shocking answer.

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".

With this inventive portrait, director Kirsten Johnson seeks a way to keep her 86-year-old father alive forever. Utilizing moviemaking magic and her family’s dark humor, she celebrates Dr. Dick Johnson’s last years by staging fantasies of death and beyond. Together, dad and daughter confront the great inevitability awaiting us all.

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.

Police pull over a woman who claims she just gave birth. But the baby — and the blood — aren't hers. Twisted lies unravel in this true-crime documentary.

A teen slams her car into a building, killing her boyfriend and his friend. What seems like a tragic accident becomes a murder case.

A documentary on the expletive's origin, why it offends some people so deeply, and what can be gained from its use.

In this documentary, recovering addict and amputee John Wood finds himself in a stranger-than-fiction battle to reclaim his mummified leg from Southern entrepreneur Shannon Whisnant, who found it in a grill he bought at an auction and believes it therefore to be his rightful property.

Set within the stark Icelandic landscape, OUT OF THIN AIR examines the 1976 police investigation into the disappearance of two men in the early 1970s.

Following his infamous championship as part of a marketing stunt for the film Ready to Rumble, David Arquette is widely known as the most hated man in pro-wrestling worldwide. Nearly 20 years after he "won" the initial title, through ups and downs in his career, with his family, and with his struggles with addiction, David Arquette seeks redemption by returning to the ring...for real this time.

Legendary journalist Gay Talese unmasks a motel owner who spied on his guests for decades. But his bombshell story soon becomes a scandal of its own.

This searing investigative work shadows a group of activists risking unimaginable peril to confront the ongoing anti-LGBTQ program raging in the repressive and closed Russian republic. Unfettered access and a remarkable approach to protecting anonymity exposes this under-reported atrocity–and an extraordinary group of people confronting evil.

An inside look at the years of effort and craft that went into the final installment of the Duffer Brothers' generation-defining series.