My list:
1. M.A.S.H.
2. Twilight Zone
3. The Cosby Show
5. Carol Burnett Show
6. Happy Days
7. Bob Newhart Show
8. Seinfeld
9. Lost
10. The Office
Two of the worst series that I loved as a teen but I think are ridiculous now - The Monkees and the Dukes of Hazzard
Oh two more...
The Waltons
Little House on the Prarie