How about The Dick Van Dyke Show? And the Chuckles the Clown Dies episode of The Mary Tyler Moore Show vault's it onto the list. Also Taxi (who can forget the Rev. Jim Ignatowski and Latke). And an honorable mention to Leave It To Beaver - the last non-dysfunctional family in America! LOL
And while not truly a sitcom, I've got to agree with Olie about the Stooges. In fact, I have a theory that one of the differences between men and women is that in the DNA chain, men have the appreciate the 3 stooges gene. Women are missing this one. Instead, in the same place, they have the stop and ask for directions gene that us males lack! nyuk, nyuk, nyuk, oh, a wise guy, huh?
Bill, tgo