Seems like I'm just repeating what everyone else said, but:

Seinfeld, The Simpsons, Everybody Loves Raymond, The Daily Show, Conan O'Brien, David Letterman, The Three Stooges, Chappelle's Show, Fresh Prince of BelAir, Mystery Science Theater 3000, All In The Family, I Love Lucy, Get Smart, Dick Van Dyke, Drew Carey, Cheers, Happy Days, The Odd Couple, The Jeffersons, Saturday Night Live, Taxi, Welcome Back Kotter

.. the bolded ones are my favorite... uh, theres a lot of them, huh? :rolleyes:

(Basically all I watch is comedy... )