the wire
season 2 was underrated in my opinion, when they pulled frank sabotka out of the water it gave me goose pumps. We still don't know who the "greek" was in the end. My favorite characters were Avon, Stringer, brother muhammad, D'angelo and Marlo.
Some scenes:
http://www.youtube.com/watch?v=20G17K_0ghU
http://www.youtube.com/watch?v=BPS9YKGaKQE