Louis Theroux will return to BBC2 later this year with three new films promising to take viewers to the most "extreme parts" of Los Angeles.
The documentary maker and presenter, who was last on BBC2 in 2012, spent a year living in La for the three documentaries, which will look at the treatment of patients with terminal illness at Hollywood's Cedars-Sinai Medical Centre, sex offenders after they are released from prison, and the way the city deals with neglected and feral dogs.
"I've been living in Los Angeles with my family for the past year or so. It seemed a chance to explore different sides of a single place, by spending longer immersed in stories and going deeper with the subjects," said Theroux.
"I have a love-hate relationship with the city.