It’s part of the comedian’s campaign to stop water company sewage leaks. Plus, the Hairy Bikers look west to Lancashire for culinary inspiration. Here’s what to watch this evening
Total Trust: Exploring the state surveillance and digital social control in China. Total Trust: Surveillance State: Storyville airs on BBC Four HD at 10:00 PM, Tuesday 20 February. Exploring the state surveillance and digital social control in China