Fresh Prince (at least according to Nick@Nite), it only lasted six seasons
Full House
Family Matters

The Brady Bunch

The Odd Couple
Barney Miller
WKRP

More recently:
Arrested Development (due to G4 exposure)
Scrubs (Comedy Central, WGN, local stations expose this to new fans)
That 70's Show
The King of Queens
Everybody Loves Raymond
Yes, Dear (due to TBS and local reruns)
Seinfeld

In the 80's:
Mama's Family and Charles in Charge (Mama's Family was canned on NBC after one or two seasons and Charles was canned on CBS after its first season; both went on to first-run syndication with some different cast members and enjoyed greater success, first-run and reruns)

Bosom buddies only lasted 2 seasons in the 80's. Was syndicated until 2-3 months ago on TBS

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