American Idol, The Office and Missing were both adjusted up a tenth of an adults 18-49 ratings point and Private Practice was adjusted down a tenth vs. the Thursday preliminary numbers. Ratings for individual games on CBS' coverage of the 2012 NCAA Basketball Tournament have also been added.
Final broadcast primetime ratings for Thursday, March 15, 2012:
| Time | Net | Show | 18-49 rating | 18-49 Share | Viewers Live+SD (million) |
| 8:00PM | FOX | American Idol | 4.6 | 14 | 16.02 |
| NBC | Community | 2.2 | 7 | 4.75 | |
| ABC | Missing (Series Premiere) | 2.1 | 6 | 10.60 | |
| CBS | NCAA Basketball (Live 8-10PM EST) VCU vs. Wichita State | 1.5 | 5 | 4.30 | |
| CW | The Vampire Diaries | 1.2 | 4 | 2.64 | |
| 8:30PM | NBC | 30 Rock | 2.0 | 6 | 4.00 |
| 9:00PM | ABC | Grey's Anatomy | 3.0 | 8 | 9.62 |
| NBC | The Office | 2.4 | 6 | 4.87 | |
| FOX | Touch - R | 2.2 | 6 | 8.57 | |
| CW | The Secret Circle | 0.7 | 2 | 1.62 | |
| 9:30PM | NBC | Up All Night | 1.7 | 4 | 3.49 |
| 10:00PM | ABC | Private Practice | 2.1 | 6 | 6.85 |
| NBC | Awake | 1.6 | 4 | 5.12 | |
| CBS | NCAA Basketball (Live, 10-12PM EST) New Mexico vs. Indiana | 1.5 | 5 | 4.13 |
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Nielsen TV Ratings: ©2012 The Nielsen Company. All Rights Reserved.
