The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Louis visits a notorious section of Miami County Jail, where some of the most volatile inmates are housed in cage-like dwellings and living under a gladiatorial code. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Louis meets an alleged triple murderer facing a possible death sentence. He also follows a group of younger inmates attending a military-style boot camp. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Fifteen years after documenting the world of male porn performers in Los Angeles, Louis Theroux returns to find a business struggling with the deluge of free porn online. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

First broadcast in 2012, Louis visits a school for autistic children in Warren, New Jersey. He meets the students and their families to get a glimpse of what life is like for them Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Louis travels to Phoenix, Arizona - the capital of dementia care. He spends time with sufferers and relatives, exploring the struggle of living in a world of encroaching shadows. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Documentary. Louis Theroux enters the bizarre world of LA's dogs, meeting the characters whose lives revolve around the city's huge canine population. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Documentary. Louis Theroux explores the American way of death as he looks at end of life care in LA's most famous hospital, the Cedars-Sinai Medical Centre. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Documentary. Louis Theroux spends time in the twilight world of Los Angeles' paroled sex offenders, who live under force of tough regulations. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Documentary. Louis travels to San Francisco where medical professionals are helping children with gender dysphoria transition from boy to girl or girl to boy. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Documentary. Louis explores the nature of mental illness. He looks at how to reintegrate a patient into society when they have previously committed a serious crime. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

In the second of this two-part documentary, Louis Theroux examines the grey area between criminal actions and medical symptoms, and investigates how we define insanity. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Documentary. Louis takes a look at the issues that some of the estimated one million people in the UK living with the long-term effects of a brain injury have to deal with. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Louis Theroux sets out to understand how a man at the centre of British entertainment and charitable fundraising for decades was able to get away with a long litany of crimes. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Louis Theroux spends time in two of London's largest eating disorder facilities to meet women with anorexia - an illness with the highest death rate of any psychiatric disorder. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Louis Theroux embeds himself in a West Virginian community devastated by heroin abuse. He spends time with addicts and follows emergency services that are struggling to cope. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Louis Theroux spends time with American women working in Houston's illegal sex industry and explores the often complex dynamic between prostitute and pimp. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Louis Theroux visits the Milwaukee Police Department as they patrol District 5, home to some of the nation's deadliest streets. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Louis Theroux travels to Portland, Oregon, to visit a movement seeking to rewrite the rulebook on how we conduct intimate relationships and experience family life. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Louis Theroux spends time with those preparing to take a lethal but legally prescribed overdose and meets a controversial group educating others in how to end their lives. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Louis Theroux explores open adoption in California, where women hand over their babies at birth to adoptive families paying tens of thousands of dollars for the privilege. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Louis Theroux reveals his favourite documentaries, all available on BBC iPlayer. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Louis Theroux visits specialist psychiatric units which treat mothers experiencing serious mental illness whilst allowing them to live alongside their babies. Show more

The Apprentice is back with a new batch of ambitious entrepreneurs seeking to demonstrate their commercial insight and business sense to stay out of the firing line. Show more

Louis Theroux returns to visit the controversial Westboro Baptist Church, investigating what effect the death of its founder has had on its members and those who have since left. Show more

The death of a young scientist became one of Scotland’s most notorious unsolved murders. Now, the case has finally been brought to trial.

Louis Theroux heads to US college campuses and comes face-to-face with students accused of sexual assault. Show more