From
TVbytheNumbers I'm also now including the 18-49 demo rating in parentheses. This demo is the most coveted by advertisers and is more important than overall total viewers.
Arrow - 3.55 million (1.3)
The Vampire Diaries - 2.91 million (1.3)
Supernatural - 2.13 million (1.0)
Beauty and the Beast - 2.00 million (0.7)
Emily Owens M.D. - 1.67 million (0.5)
America's Next Top Model - 1.47 million (0.6)
Hart of Dixie - 1.40 million (0.6)
90210 - 1.06 million (0.6)
Nikita - 950,000 (0.3)
Gossip Girl - 780,000 (0.4)
For easy reference/comparison:
We Need to Talk About Kevin - 1.85 million
What's Up, Tiger Mommy? - 2.51 million