Thursday 04/21/11 Final Broadcast Ratings

Wipeout (R)
- 4.684 million viewers
- 2.7/5 HH
- 1.3/4 A18-49

Grey's Anatomy (R, 61 minutes)
- 3.883 million viewers
- 2.6/4 HH
- 1.2/3 A18-49

Private Practice (R, 59 minutes)
- 2.645 million viewers
- 1.8/3 HH
- 0.8/2 A18-49

The Big Bang Theory (R)
- 7.149 million viewers
- 4.6/8 HH
- 1.8/6 A18-49

Rules of Engagement (R)
- 5.459 million viewers
- 3.5/6 HH
- 1.5/5 A18-49

CSI (R)
- 8.473 million viewers
- 5.3/9 HH
- 1.6/5 A18-49

The Mentalist (R)
- 11.075 million viewers
- 6.9/12 HH
- 2.1/6 A18-49

Community (97% coverage NBC normally 98%)
- 3.166 million viewers
- 2.1/4 HH
- 1.4/5 A18-49

The Paul Reiser Show (97% coverage)
- 2.377 million viewers
- 1.6/3 HH
- 0.9/3 A18-49

The Office (31 minutes, 97% coverage)
- 6.849 million viewers
- 4.0/6 HH
- 3.3/10 A18-49

Parks and Recreation (29 minutes, 97% coverage)
- 4.882 million viewers
- 2.9/5 HH
- 2.4/6 A18-49

30 Rock (60 minutes)
- 4.595 million viewers
- 2.7/5 HH
- 2.2/6 A18-49

American Idol (61 minutes)
- 20.319 million viewers
- 11.5/20 HH
- 5.8/19 A18-49

Bones (59 minutes)
- 10.960 million viewers
- 6.4/10 HH
- 3.2/9 A18-49

The Vampire Diaries
- 2.700 million viewers
- 1.7/3 HH
- 1.2/4 A18-49
- 1.2/4 A18-34
- 1.5/5 W18-34

Nikita
- 2.013 million viewers
- 1.3/2 HH
- 0.8/2 A18-49
- 0.6/2 A18-34
- 0.8/2 W18-34