In alphabetical order
Band of Brothers (drama) [http://www.imdb.com/title/tt0185906/]
Black Books (comedy) [http://www.imdb.com/title/tt0487831/] (same creator as The IT-Crowd)
Breaking Bad (drama, crime) [http://www.imdb.com/title/tt0903747/]
Californication (drama, comedy) [http://www.imdb.com/title/tt0904208/]
Chuck (action, comedy, drama) [http://www.imdb.com/title/tt0934814/]
Community (comedy) [http://www.imdb.com/title/tt1439629/]
Day Break (drama, action, thriller) [http://www.imdb.com/title/tt0801425/]
Drawn Together (comedy) [http://www.imdb.com/title/tt0386180/]
Eureka (sci-fi, drama, comedy) [http://www.imdb.com/title/tt0796264/]
Family Guy (comedy) [http://www.imdb.com/title/tt0182576/]
Fastlane (action, crime) [http://www.imdb.com/title/tt0320000/]
Firefly [http://www.imdb.com/title/tt0303461/] & the movie Serenity [http://www.imdb.com/title/tt0379786/](sci-fi, drama, action)
Futurama (comedy) [http://www.imdb.com/title/tt0149460/]
Greek (comedy, drama) [http://www.imdb.com/title/tt0976014/]
House (drama, mysery, comedy) [http://www.imdb.com/title/tt0412142/]
How I Met Your Mother (comedy) [http://www.imdb.com/title/tt0460649/]
It's Always Sunny in Philadelphia (comedy) [http://www.imdb.com/title/tt0472954/]
Lost (duh!) (drama, mystery) [http://www.imdb.com/title/tt0411008/]
Malcolm in the Middle (comedy) [http://www.imdb.com/title/tt0212671/]
Pingu (comedy/family/kids show) [http://www.imdb.com/title/tt0366069/] (seriously, those penguins are fucking awsome!)
Prison Break (drama, action, crime) [http://www.imdb.com/title/tt0455275/]
Scrubs (comedy, drama) [http://www.imdb.com/title/tt0285403/]
South Park (comedy) [http://www.imdb.com/title/tt0121955/]
Spin City (comedy) [http://www.imdb.com/title/tt0115369/]
Stargate SG-1 [http://www.imdb.com/title/tt0118480/] & Stargate Atlantis [http://www.imdb.com/title/tt0374455/] (sci-fi, action, adventure)
Supernatural (drama, fantasy, horror) [http://www.imdb.com/title/tt0460681/]
Terriers (crime, drama) [http://www.imdb.com/title/tt1493239/]
That 70's Show (comedy) [http://www.imdb.com/title/tt0165598/]
The 4400 (sci-fi, drama, mystery) [http://www.imdb.com/title/tt0389564/]
The Big Bang Theory (comedy) [http://www.imdb.com/title/tt0898266/]
The IT Crowd (comedy) [http://www.imdb.com/title/tt0487831/] (same creator as Black Books)
The Office USA (comedy) [http://www.imdb.com/title/tt0386676/] (don't care much for the original)
The Tick (comedy, "kids show" or rather "mans show"!) [http://www.imdb.com/title/tt0112196/]
The War at Home (comedy) [http://www.imdb.com/title/tt0460692/]
X Files, The (drama, sci-fi) [http://www.imdb.com/title/tt0106179/]
I may have missed a few shows, but this should keep you occupied for quite a while...
I think we can close this thread now.