Futurama, Its always sunny in Philadelphia, Arrested Development, (animes too numerous to count), Various childhood cartoons, Daily Show, IT crowd, The Office, That 70's Show, Band of Brothers (mini series).
Rescue me, The Office, Modern Family, The Middle, Futurama, South Park, Family Guy, Flight of the Conchords, It's always sunny in Philadelphia, How I met your mother.
ROFL, Meg your Data sig picture cracks me up. That's great.
I don't really watch a lot of TV. But of shows right now I am all about Phineas and Ferb, Flight of the Concords and Modern Family. Stinking hilarious.
I was a huge Trekkie growing up and Star Trek: TNG will always be one of my favorite shows. I used to be able to watch any episode for 15 seconds and then tell you what happens in it. I can still do it for the most part...but I do slip up as I get older.
My other favorite show that will remain timeless and brilliant is Seinfeld. It was and is the best show ever...about nothing. LOL.
EDIT: Can't forget to mention Scrubs, the ORIGINAL looney toons and Monty Python's Flying Circus. Sheer Brilliance.