The Big Bang Theory was adjusted up a tenth and Private Practice was adjusted down a tenth with adults 18-49 versus Thursday’s preliminary ratings. There were no other adjustments with adults 18-49 on the night.
Final broadcast primetime ratings for Thursday, January 12, 2012:
| Time | Net | Show | 18-49 Rating/Sh | Viewers (Millions) |
| 8:00 | CBS | The Big Bang Theory | 5.3/15 | 16.13 |
| FOX | Bones | 2.4/6 | 8.64 | |
| ABC | Wipeout | 2.2/6 | 7.12 | |
| NBC | 30 Rock (Season Premiere) | 1.8/5 | 4.47 | |
| CW | Vampire Diaries | 1.2/3 | 2.86 | |
| 8:30 | CBS | Rob (Series Premiere) | 4.1/11 | 13.47 |
| NBC | Parks & Recreation | 1.9/5 | 4.09 | |
| 9:00 | ABC | Grey’s Anatomy | 3.8/10 | 10.71 |
| CBS | Person of Interest | 3.2/8 | 14.86 | |
| NBC | The Office | 2.9/7 | 5.90 | |
| FOX | The Finder (Series Premiere) | 1.7/4 | 5.50 | |
| CW | The Secret Circle | 0.8/2 | 1.93 | |
| 9:30 | NBC | Up All Night | 2.0/5 | 4.24 |
| 10:00 | CBS | The Mentalist | 2.7/7 | 13.65 |
| ABC | Private Practice | 2.3/6 | 6.55 | |
| NBC | The Firm | 1.0/3 | 4.23 |
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Nielsen TV Ratings: ©2012 The Nielsen Company. All Rights Reserved.
