Holy crap, someone who appreciates good British sci-fi... and it was one of Idris Elba's first starring roles.SonOfVoorhees said:UltraViolet - was a British mini series involving a different take on vampires.
As with all things, they should've made it longer as there was so much potential in it... Thank god, the American version never got past production of an unaired pilot...
Anyway... my choices are:
ReGenesis - though it kinda deteriorates towards the later series, the overarching story of the first season was pretty damned good (hard science-y stuff, mostly microbiology, which is quite accessible, but pretty solid for the most part).
And, as already mentioned, Castle...