ITV Midsomer Murders Catch up on the ITV Hub Detective series based on the novels by Caroline Graham. Inspector Barnaby investigates murder mysteries in Middle England. 2 episodes available to watch Share this programme: Share on Facebook Share on Twitter Share on Google+ Series 12 Latest 5. Small Mercies Today 2.35pm The body of a local troublemaker and lothario is found near Midsomer. 4. The Glitch Sun Sunday 12 Nov 2pm A scientist threatens to reveal details of a glitch in an air traffic control system.