So many good ones mentioned, but it if is just one "My Name is Earl"
Quantum Leap. The whole season about 9/11
Kookla, Fran, & Ollie.
Really!
Heroes (although I did hear a rumour that they are going to make more?)
Frasier
Six feet under
There was a show over here that was pretty fun as well, No Heroics. It was about superheroes whose powers were kind of lame and all the rivalry and stuff between them... It was pretty sharp and funny, but only one series I think... I'd have liked more!!
There was another called The Book Group, which I really enjoyed and would have liked more of!!
How To Make it in America
Seinfeld
Sex In the City
Models - they left you hanging on a cliff hanger and then cancelled the damn show
Knots Landing
Firefly, Eureka, Army Wives, Gilmore Girls, Alias, Dollhouse in that order.
Hands down it would be friends!!
Coupling. A British series
Bosom Buddies, or Mork and Mindy
My name is Earl. took me a while to get into it then i was hooked.
Mork & Mindy
Wonder Woman
Chicago Hope
Whose line is it anyway?!!!!!!!! All day, Everyday!
Breaking bad.
Band of Brothers.
Firefly.