Now, a very famous TV detective comes back to our screens this weekend. You may have heard of him: Inspector Morse. But this story tells us about his young life in the police force.
Endeavour was piloted last year, and attracted millions in the ratings - and now four feature length films have been made.
Morse's story has always been told in the city of Oxford - and this is no different. Divya Kohli went to meet the cast and crew.
More top news
Friday night's forecast for the east of the region
Friday night's forecast for the west of the region
ITV News worked with fire fighters to test the flammability of several costumes