After 3 series of Weird Weekends
and 2 of the controversial When Louis Met...
, Louis Theroux returned to the BBC in 2003, with 3 films that aired in the later half of the year.
In 2006, he signed a new contract, to produce 10 films over 3 years, but in February 2009 a new contract was signed, guaranteeing another 10 films to be made.
Louis' films have seen him befriend Nazis, examine jail conditions in various countries and even examine people keeping strange pets.