I voted Seinfeld... I have a buddy that we are huge Seinfeld fans and we are always quoting Seinfeld. Great show! If you like Seinfeld you'll like Curb Your Enthusiasm, it was written by one of the creators of Seinfeld; Larry David.
Hogan's Heros
McHale's Navy
The Addams family
The Munsters
Gomer Pyle USMC
F Troop
Petticoat Junction
Green Acres
Wild Wild West
Batman
Leave it to Beaver
Comedy but not sitcom
Rowan and Martin's Laugh in
Smothers Brothers