urx unit loader TV ratings: 'Big Brother,' NFL preseason score Thursday
matt big brother12 320 TV ratings: 'Big Brother,' NFL preseason score ThursdayFast National ratings for Thursday, Aug. 19, 2010

“Big Brother 12” continued its consistent summer run on Thursday, helping CBS lead the night in total viewers. FOX, however, scored the biggest adults 18-49 rating with an NFL preseason game.

CBS delivered 6.6 million viewers and a 4.2 rating/8 share in households for the night. ABC (5.7 million, 3.6/6) grabbed second, slightly ahead of FOX (5.4 million, 3.4/6). FOX’s numbers will change some in final nationals because of its live NFL telecast. NBC (2.95 million, 2.0/4) finished fourth, and The CW (1.5 million, 1.0/2) trailed.

In the adults 18-49 demographic, FOX’s 1.9 rating held off CBS’ 1.7 for the top spot. ABC finished third with a 1.5, followed by NBC, 1.0, and The CW, 0.5.

Thursday hour by hour:

8 p.m.

CBS: “Big Brother 12” (7.45 million viewers, 4.5/8)
ABC: “Wipeout” rerun (6.6 million, 3.7/7)
FOX: NFL preseason – New England at Atlanta (5.4 million, 3.5/7)
NBC: “Community” rerun (2.6 million, 1.8/3)/”30 Rock” rerun (2.6 million, 1.8/3)
The CW: “The Vampire Diaries” rerun (1.6 million, 1.0/2)

18-49 leader: “Big Brother 12” (2.4)

9 p.m.

ABC: “Rookie Blue” (6.4 million, 4.1/7)
FOX: NFL preseason (5.7 million, 3.5/6)
CBS: “CSI” rerun (5.6 million, 3.6/6)
NBC: “The Office” rerun (2.6 million, 1.7/3)/”Parks and Recreation” rerun (2.3 million, 1.6/3)
The CW: “Moonlight” rerun (1.4 million, 0.9/2)

18-49 leader: NFL preseason (2.1)

10 p.m.

CBS: “The Mentalist” rerun (6.8 million, 4.5/8)
FOX: NFL preseason (5 million, 3.2/6)
ABC: “Nightline Prime: Secrets of Your Mind” (4.15 million, 2.9/5)
NBC: “Law & Order: SVU” rerun (3.8 million, 2.7/5)

18-49 leader: NFL preseason (1.7)

Ratings information includes live and same-day DVR viewing. All numbers are preliminary and subject to change. Source: The Nielsen Company, especially in the case of live telecasts.

More ratings at Zap2it: Daily, weekly and cable

Photo credit: CBS