Before I signed up for Netflix and its instant streaming capabilities:
Deadliest Catch, The Office, Community, How I Met Your Mother, Modern Family, South Park, 'Sunny, Eastbound & Down, Flight of the Conchords, any VH1 Trashy reality show
Now that I have Netflix I'm addicted to:
Dexter (OMG best show EVER), Californication, Archer
Shows I'm starting soon:
Breaking Bad, Lost, True Blood, Party Down