In what feels like the Bush/Gore Florida election of TV ratings days, American Idol and The Big Bang Theory were each adjusted up a tenth of an adults 18-49 ratings point versus Thursday's preliminary ratings. And we know that the American Idol 8pm half hour rating was a 5.2 (the second half hour was a 6.3), and so unless there are some hanging chads out there, The Big Bang Theory topped the 18-49 ratings in the 8pm half hour. Whew.
In other adjustments, The Office, The Mentalist and Grey's Anatomy were each adjusted up a tenth. and Person Of Interest, Rob and Parks & Recreation were each adjusted down a tenth.
Final broadcast primetime ratings for Thursday, January 19, 2012:
| Time | Net | Show | 18-49 Rating | 18-49 Share | Viewers Live+SD (million) |
| 8:00PM | FOX | American Idol | 5.7 | 15 | 18.02 |
| CBS | The Big Bang Theory | 5.3 | 15 | 15.83 | |
| ABC | Wipeout | 1.8 | 5 | 5.85 | |
| NBC | 30 Rock | 1.6 | 4 | 4.05 | |
| CW | The Vampire Diaries | 1.1 | 3 | 2.71 | |
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| 8:30PM | CBS | Rob | 3.5 | 9 | 11.41 |
| NBC | Parks & Recreation | 1.9 | 5 | 4.25 | |
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| 9:00PM | ABC | Grey's Anatomy | 3.5 | 8 | 9.42 |
| CBS | Person Of Interest | 3.2 | 8 | 14.40 | |
| NBC | The Office | 3.0 | 7 | 6.02 | |
| FOX | The Finder | 2.2 | 5 | 6.58 | |
| CW | The Secret Circle | 0.7 | 2 | 1.63 | |
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| 9:30PM | NBC | Up All Night | 1.9 | 5 | 3.98 |
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| 10:00PM | CBS | The Mentalist | 3.0 | 8 | 14.22 |
| ABC | Private Practice | 2.1 | 5 | 6.00 | |
| NBC | The Firm | 0.9 | 2 | 3.42 | |
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Nielsen TV Ratings: ©2012 The Nielsen Company. All Rights Reserved.
