Nikita was adjusted down a tenth with adults 18-49 versus Friday's preliminary ratings. There were no changes to any other originals though the final numbers for the basketball games are below and the Grimm repeat was adjusted up a tenth.
For all those who assaulted Bill for noting that preliminary Supernatural ratings were down from the previous week's final numbers (the same comparative method used by Nielsen and every network), there was no adjustment up for Supernatural so it was in fact down a tenth versus the previous week's episode. Post your most loving apologies to Bill in the comments below.
Final broadcast primetime ratings for Friday, March 16, 2012:
| Time | Net | Show | 18-49 rating/Sh | Viewers (Millions) |
| 8:00 | CBS | NCAA: Duke vs. Leigh 8-9:52p | 2.0/8 | 5.92 |
| ABC | Shark Tank | 1.7/6 | 5.97 | |
| FOX | Kitchen Nightmares (R) | 1.1/4 | 2.63 | |
| NBC | Who Do You Think You Are? (R) | 0.7/3 | 4.16 | |
| CW | Nikita | 0.4/2 | 1.51 | |
| 9:00 | ABC | Primetime What Would You Do? | 1.5/5 | 5.50 |
| FOX | Kitchen Nightmares (R) | 1.1/3 | 2.60 | |
| NBC | Grimm (R) | 0.8/2 | 3.38 | |
| CW | Supernatural | 0.7/2 | 1.73 | |
| 10:00 | CBS | NCAA: Xavier vs. Notre Dame 10p-12:24a | 1.8/6 | 4.57 |
| ABC | 20/20 | 1.4/4 | 5.59 | |
| NBC | Dateline NBC | 1.0/3 | 4.64 |
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Nielsen TV Ratings: ©2012 The Nielsen Company. All Rights Reserved.
