Community is a must watch!
Thing I've said that before.
I still need to start watching:
The Borgias
Falling Skies
Fringe
Arrow
Reveloution
Still watching after a year of catching up:
Big Bang Theory
Community
Smallville
How I Met Your Mother (can't really be bothered with this anymore)
Supernatural
Games of Thrones (just watched the first episode of season 1, after sky went all retarded on me after I series linked it from re-runs and it's missed out half of season 1, and all of the episodes bar 1 from season 2).
Episodes (starts of slow, gets better)
Batman the animated series, coz am just a H.A.M'ing kid.
I've dropped Primeval and Terra Nova, might get back into Primeval though f knows why.