ITV Endeavour Catch up on the ITV Hub The early days of a young Endeavour Morse, whose experiences as a detective constable with the Oxford City Police will ultimately shape his future. 2 episodes available to watch Share this programme: Share on Facebook Share on Twitter Share on Google+ Series 4 Latest 4. Harvest Sun Sunday 29 Jan 8pm The discovery of a 2,000-year-old body offers a new lead in a missing person case. 3. Lazaretto Sun Sunday 22 Jan 8pm Endeavour investigates the dark depths of a local hospital.