Alias (comic)
Animaniacs
Big Bang Theory
Blackadder
Burn Notice
Chuck
Community
Creepy Doll by Jonathan Coulton
DCU (incl. Blue Beetle, Flash and Wonder Woman)
Dexter
Dr. Horrible
Flight of the Conchords
Glee
How I Met Your Mother
Legend of the Seeker
Leverage
Monk
Moonlight
New Avengers (comic)
Nextwave
Polly and the Pirates
Pushing Daisies
Runaways
Scott Pilgrim
Strangers in Paradise
True Blood
Up
xkcd
Did I forget any that you know we share? Let me know!
Recs will be forthcoming once I read enough to give you a decent list. :)