If you're missing a bit of Louis in your life after his recent BBC series, catch his efforts to get to know the famously secretive Church of Scientology. Undeterred by their reputation, Louis Theroux sets out to explore the religion that's favoured by Tom Cruise, John Travolta. However, when met with a lack of access, Theroux comes up with an ingenious way of making sense of it all - using actors to recreate pivotal scenes from the Church's history by a former Scientologist.