Ratings: Broadcast Finals for August 19, 2012
NBC easily took Sunday night on the strength of a rare good match-up for a Sunday Night Football preseason game with #1 draft pick Andrew Luck vs the Pittsburgh Steelers. Not often does a exhibition game, in August, draw 9.5 million viewers.BIG BROTHER posted its best numbers since the end of the Olympics. the 2.4 demo rating was second only to SUNDAY NIGHT FOOTBALL.
| Time | Net | Program | Viewers* | Demo | +/- |
| 7:00 | ABC | AFV [R] | 4.810 | 1.1 | |
| 8:00 | ABC | Once Upon A Time [R] | 2.710 | 0.6 | -43.66% |
| 9:00 | ABC | EM: Weight Loss Edition | 3.560 | 1.2 | 31.37% |
| 7:00 | CBS | 60 Minutes [R] | 7.920 | 1.1 | |
| 8:00 | CBS | Big Brother | 6.570 | 2.4 | -17.05% |
| 9:00 | CBS | The Good Wife [R] | 3.490 | 0.5 | -46.88% |
| 10:00 | CBS | The Mentalist [R] | 4.550 | 0.8 | 30.37% |
| 7:00 | FOX | American Dad [R] | 1.750 | 0.8 | |
| 7:30 | FOX | The Cleveland Show [R] | 2.110 | 1.0 | 20.57% |
| 8:00 | FOX | The Simpsons [R] | 3.150 | 1.4 | 49.29% |
| 8:30 | FOX | The Simpsons [R] | 3.480 | 1.5 | 10.48% |
| 9:00 | FOX | Family Guy [R] | 3.760 | 1.8 | 8.05% |
| 9:30 | FOX | Family Guy [R] | 3.760 | 2.0 | 0.00% |
| 7:00 | NBC | Dateline | 4.890 | 1.2 | |
| 8:00 | NBC | Sunday Night Football | 9.510 | 3.2 | 94.48% |
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