Has to be 24! absolutely AWSOME!!!!!!!!., The wire was good I watched the whole lot on, on demand with sky!, the new Batllestar Galactica is wiered to say the least!, I used to watch Lost but that got just ridiculous.
If I was to name my top 5 it would be as follows.

1 24!
2 Criminal Minds.
3 Bones.
4 Game of Thrones.
5 Silent Wittness.