TV ratings: 'Numb3rs' finale leads CBS Friday

numb3rs-finale-320.jpgFast National ratings for Friday, March 12, 2010

The season finale of "Numb3rs" led CBS to a ratings win Friday night, holding off NBC, which saw "Who Do You Think You Are?" improve some in its second week and got better-than-average viewership for "Dateline."

CBS drew 8.25 million viewers and a 5.1 rating/9 share for the night, narrowly beating NBC's 7.75 million and 5.1/9. ABC (4.9 million, 3.3/6) came in third. FOX (3.6 million, 2.2/4) took fourth, while The CW averaged 1.6 million viewers and a 1.1/2.

The adults 18-49 race was close as well: CBS led the demo with a 1.8, just ahead of NBC's 1.7. ABC and FOX tied for third at 1.4, and The CW drew a 0.6.

Friday hour by hour:

8 p.m.

"Ghost Whisperer" (7.85 million viewers, 4.9/9 households)
NBC: "Who Do You Think You Are?" (7.15 million, 4.5/8)
ABC: "Supernanny" (4.9 million, 3.2/6)
FOX: "House" rerun (3.1 million, 2.0/4)
The CW: "America's Next Top Model" rerun (1.7 million, 1.2/2)

18-49 leader: "Ghost Whisperer" (1.9)

9 p.m.

"Medium" (8.15 million, 5.1/9)
NBC: "Dateline" (7.8 million, 5.2/9)
ABC: "Supernanny" (4.18 million, 2.8/5)
FOX: "Kitchen Nightmares" (4.16 million, 2.5/4)
The CW: "America's Next Top Model" rerun (1.8 million, 1.3/2)/"High Society" rerun (1.1  million, 0.7/1)

18-49 leader: "Medium" (1.8)

10 p.m.

"Numb3rs" season finale (8.7 million, 5.4/10)
NBC: "Dateline" (8.3 million, 5.5/10)
ABC: "20/20" (5.6 million, 3.8/7)

18-49 leader: "Numb3rs" and "Dateline" tied at 1.8

Ratings information includes live and same-day DVR viewing. All numbers are preliminary and subject to change. Source: The Nielsen Company.

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Photo credit: CBS