Best sitcom ever?

Cafe Society
101
  1. Family Ties
102

“King of the Hill” and “Married … with Children” also deserve a place on the list, IMHO.

103

Arrested Development

Then in a distant second,

Malcolm In The Middle, featuring the evil Walter White as the whupped dumb dad.

104

Arrested Development.

And in the British category, One Foot in the Grave.