A toxic scandal

Jason Watkins and David Thewlis play neighbours investigating the practices of English water firms...

- CAREN CLARK, SEAN MARLAND

DIRTY BUSINESS Mon-Wed, 9pm, C4 Drama (box set, Channel 4 Streaming).

If you were captivated by Mr Bates Vs the Post Office, you won't want to miss C4's new real-life drama about a decadelong investigation into England's water companies.

The three-parter tells the story of whistle-blowers and victims whose lives have been destroyed by sewage pollution.