Some "oddball" ones I enjoyed:
From the UK:
-Misfits (Crazy show!)
-Utopia (Just two seasons = 12 episodes total. This show hooked me with the first episode and entertained me to the last.)
-Being Human (There was also a US/Canada re-make that started out as a lame copy, but eventually did its own thing and became pretty decent.)
From the States/Canada:
-Dead Like Me
-Pushing Daisies
-Wonderfalls (Only lasted one season)
-Supernatural (I've gone back and forth with this one over the years sometimes watching lots of episodes and then taking breaks. It's probably time to revisit it again. I bet I'm at least a couple of years behind by now.)