11M: Terror in Madrid

Serial killer Dennis Nilsen narrates his life and horrific crimes via a series of chilling audiotapes recorded from his jail cell.

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.

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.

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

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

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.

A documentary on why 'Money Heist' sparked a wave of enthusiasm around the world for a lovable group of thieves and their professor.

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".

The definitive portrait of one of sport's most inspirational, influential figures - whose legacy lives on far beyond the football field.