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

Documentary. Louis spends time at the specialist liver centre at King's College Hospital, London. He meets patients in the grips of alcohol addiction struggling to find a way out. Show more

Documentary investigating the Church of Scientology. To find out more about the mysterious organisation, Louis Theroux meets with former members of the church. Show more

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

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

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

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

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

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

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

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

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

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

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

Documentary in which Louis Theroux visits Fresno in California's Central Valley to see how crystal meth addiction affects the local community, speaking to police and addicts. Show more

Following up on his 2007 documentary, The Most Hated Family in America, Louis Theroux returns to Topeka, Kansas, for a week-long visit with the Westboro Baptist Church. 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

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.