8pm
American Idol
– 19.53 million viewers
– 5.6/18 A18-49

The Big Bang Theory
– 10.46 million viewers
– 3.2/11 A18-49

Wipeout
– 5.28 million viewers
– 1.6/5 A18-49

Community
– 3.23 million viewers
– 1.4/5 A18-49

The Vampire Diaries
– 2.71 million viewers
– 1.3/4 A18-49

8:30pm
Rules of Engagement
– 8.00 million viewers
– 2.3/7 A18-49

The Office (r)
– 2.61 million viewers
– 1.2/4 A18-49

9pm
Bones
– 12.28 million viewers
– 3.7/10 A18-49

CSI
– 11.22 million viewers
– 2.5/7 A18-49

Grey’s Anatomy
– 9.21 million viewers
– 3.1/7 A18-49

The Office
– 6.24 million viewers
– 3.2/9 A18-49

Nikita
– 1.92 million viewers
– 0.7/2 A18-49

9:30pm
Parks and Recreation
– 4.54 million viewers
– 2.4/6 A18-49

10pm
The Mentalist
– 13.97 million viewers
– 2.7/7 A18-49

Private Practice
– 7.35 million viewers
– 2.4/6 A18-49

Parks and Recreation
– 3.57 million viewers
– 2.0/5 A18-49

10:30pm
Outsourced
– 2.95 million viewers
– 1.5/4 A18-49

Raw ratings data copyright Nielsen, courtesy AdWeek.

Image courtesy NBC.