From ADHD in children to the way GPs diagnose depression in adults, we look at the deals that have transformed the way we talk about and treat mental health. Show more

An exploration of the story of how tech giants brought about the digital payment revolution and formulated a plan to one day kill cash. Show more

Jacques Peretti learns how we went from clocking on and off to checking our work email at all hours. How did work go from being what we do to who we are? 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

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

Jacques Peretti explores how public bodies utilise their resources and asks whether taxpayers are getting value for money. Show more

This eye-opening film goes behind the scenes at two head shops in Portsmouth – businesses selling powerful legal highs, in bright packets. Show more

Documentary exploring the issues surrounding the use of monkeys in medical research, hearing from those carrying out the research and those protesting against it. 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