Endeavour

Endeavour first appeared as a one-off TV movie during the 2011 holiday season (it is on Smorg 35). Now it has returned with 4 more feature-length episodes and most likely that will not be the end of it. Endeavour is a prequel to the popular 1980's/1990's crime drama Inspector Morse and takes place in the mid-1960's just after Morse has left Oxford. With Lewis (itself a Morse spinoff) coming to an end, perhaps ITV will be focusing on this one looking to develop a younger targeted audience. 
Endeavour