Watch if you're into: As it's the prequel to Inspector Morse, if you want to learn more about that character, this is the show to watch, but it's by no means necessary. You might be more likely to watch this new show, which is still in its early seasons, before watching the '80s show that inspired it. It's a beautifully shot, riveting series, and Shaun Evans is perfect as the young detective. Plus, the British '60s fashion is to die for.
How many seasons? Seven
Where to watch: Watch Endeavour on the ITV hub.