Channel 4

C4 viewers declare 24 Hours in Police Custody 'the best programme on TV' as it focuses on 'horrific' crime: 'A tragic case'

24 Hours in Police Custody: The hunt for 'truly evil' teenager Nicholas Prosper who killed his mother and siblings

A Woman of Substance on Channel 4: First look at Brenda Blethyn transformed for new TV adaptation

Joe Wicks: Licensed to Kill - The Body Coach reveals Killer protein bar stunt for new Channel 4 show