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. 3 episodes available to watch Series 18 Latest Breaking the Chain Sun Sunday 21 Aug 8pm Episode 3 - Barnaby and Nelson are drawn into a ruthless world of blackmail, bribery and bloodshed. The Incident at Cooper Hill Sun Sunday 14 Aug 8pm Episode 2 - When a forest ranger dies, UFO spotters are convinced aliens are responsible. Habeas Corpus Sun Sunday 7 Aug 8.20pm Episode 1 - When a body goes missing, DCI Barnaby and DS Nelson seek to identify the culprit.