Stacey Dooley meets 19-year-old TJ and other young gay American men going through controversial 'gay conversion therapy' to try and turn themselves straight. Show more

Travelling to America's heartlands, Louis Theroux spends time with people who have private collections of tigers and chimpanzees. Show more

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

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

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

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

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

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

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