Maybe it was too ahead of its time, or the cast is better known nowadays, or simply we have better taste now?

Police Squad.
The Goode Family.

When Things Were Rotten
SOAP
Sledgehammer

Freaks and Geeks

Titus

Herman's Head

Reading the thread title, I immediately thought of Police Squad. dan beat me to it.

Police squad The Last Precinct and Sledgehammer would've done extremely well today especially if they keep'em apolitical like they originally were.