For the All Time list, I have do decide amongst shows that I really liked at that time and not necessarily anymore:
Fresh Prince
South Park
Simpsons
Drew Carey Show/In Living Color
Futurama
Honorable Mention: Married with Children, Dave Chappelle, Friends, Full House (hey, at the time I thought Steph was really cute)
HOF Invitees in a few years: It's Always Sunny in Philadelphia and Family Guy (the older seasons)