[VolcomMartin]

All 5 seasons of The Wire.
..although-- the last season felt a bit too much at times. But still, The Wire is probably my favorite show of all time. As of now at least.

All 6 seasons of The Sopranos.
..although-- I consider the later seasons to stand out-- I felt I really knew the characters at that point. Season 4 is so great, IMO, but all in all-- such a fantastic show.

First season of Prison Break.
..the other three seasons were crap, although, seasons 2 and 3 had their moments (..ey, don't shoot me).

It's been too long since I've seen all 5 seasons of Six Feet Under, but that's a great show, IMO.

Both seasons of The Office, UK version of course! US version-- meh.