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 meets Conservative MP Ann Widdecombe. From the beginning though, it's a prickly relationship.

Louis Theroux hears all about the philosophies that drive the eccentric former world champion boxer Chris Eubank. 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 makes his stage debut in the company of ventriloquist Keith Harris and his feathered friend Orville during pantomime season. 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 reveals the inside story of life in one of America's largest legal brothels. Over six weeks of a summer, Louis moved in with the owners and working girls at a bordello in Reno, Nevada. 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 California to mix with the White Aryan Resistance, including 11-year-old twin sisters who have been taught to sing racist pop songs by their mother.

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

Genial TV host Louis Theroux sets out on a personal quest to meet the ultimate pop idol - Michael Jackson - and examine the often bizarre world that surrounded him and those that worshipped him. 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 heads to Las Vegas to take a look at the pastime that made it famous and meet the gamblers, the high rollers and the casino men. 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 struggles to come to terms with the infamous Phelps family from Topeka, Kansas, who picket countrywide as a protest against an America that tolerates homosexuality. 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 pulls back the folds of plastic America and gets under the skin of the plastic surgery patients that crowd the clinics of Beverly Hills. 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 Limpopo Province to stay in a hunting lodge. Hunting in South Africa has become easier than ever before - in fact, it is a blossoming tourist industry. 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 travels to California to spend two weeks in the notorious San Quentin State Prison. Built in 1852, San Quentin is dangerously overcrowded. 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 travels to Johannesburg, where the residents find themselves increasingly besieged by crime, and turning to private security offering protection for a price. 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 joins the Philadelphia Police Department as they patrol the most dangerous parts of one of the most violent cities in America. 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 has gained access to Coalinga Mental Hospital in California, which houses more than 500 convicted paedophiles who have been deemed unsafe for release. 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.

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 visits one of America's leading children's psychiatric treatment centres in an effort to understand why some parents put their children on drugs to control their behaviour. 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 is in Lagos, spending time with the local gangs, the so-called Area Boys, and the government's Kick Against Indiscipline paramilitary task force. 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

Travelling to America's heartlands, Louis Theroux spends time with people who have private collections of tigers and chimpanzees. 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 ultra-nationalist Jewish settlers, who consider it their religious and political obligation to populate some of the sensitive areas of the West Bank. 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 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