American Idol narrowly edged The Voice for the week's top honors with adults 18-49. The week's top scripted show with adults 18-49 was The Big Bang Theory. NCIS was the most-watched show of the week, scripted or unscripted with 19.6 million viewers.
Primetime Broadcast Adults 18-49 Viewers for the week ending February 19, 2012:
| Rank | Shows | R=Repeat S=Special P=Premiere | Net | 18-49 rating | 18-49 Viewers (000) |
| 1 | American Idol-WEDNESDAY | FOX | 6.1 | 7746 | |
| 2 | VOICE | NBC | 6.0 | 7686 | |
| 3 | Big Bang Theory, THE | CBS | 5.1 | 6561 | |
| 4 | American Idol-THURSDAY | FOX | 5.1 | 6495 | |
| 5 | Modern Family | ABC | 4.7 | 5949 | |
| 6 | Two and a Half Men | CBS | 3.9 | 5035 | |
| 7 | NCIS | CBS | 3.9 | 4977 | |
| 8 | 2 Broke Girls | CBS | 3.8 | 4810 | |
| 9 | How I Met Your Mother | CBS | 3.4 | 4394 | |
| 10 | MIKE & Molly | CBS | 3.4 | 4306 | |
| 11 | NCIS: LOS ANGELES | CBS | 3.2 | 4113 | |
| 12 | Grey'S ANATOMY | ABC | 3.2 | 4056 | |
| 13 | ROB | CBS | 3.2 | 4049 | |
| 14 | New Girl | FOX | 3.1 | 4019 | |
| 15 | Criminal Minds | CBS | 3.1 | 3976 | |
| 16 | Once Upon A Time | ABC | 3.1 | 3954 | |
| 17 | SURVIVOR: ONE WORLD | P | CBS | 3.1 | 3942 |
| 18 | Person Of Interest | CBS | 2.8 | 3630 | |
| 19 | GLEE | FOX | 2.8 | 3591 | |
| 20 | Amazing Race 20 | P | CBS | 2.8 | 3582 |
| 21 | SMASH | NBC | 2.8 | 3576 | |
| 22 | Family Guy | FOX | 2.8 | 3533 | |
| 23 | Mentalist, THE | CBS | 2.7 | 3498 | |
| 24 | Hawaii Five-0 | CBS | 2.7 | 3411 | |
| 25 | CSI | CBS | 2.6 | 3374 |
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Primetime Broadcast Total Viewership for the week:
| Rank | Shows | R=Repeat S=Special P=Premiere | Net | # Viewers (LIVE+SD) (000) | HH RATING (LIVE+SD) | HH SHARE (LIVE+SD) |
| 1 | NCIS | CBS | 19586 | 11.7 | 19 | |
| 2 | American Idol-WEDNESDAY | FOX | 18893 | 10.8 | 17 | |
| 3 | American Idol-THURSDAY | FOX | 16713 | 9.8 | 15 | |
| 4 | VOICE | NBC | 16278 | 9.4 | 14 | |
| 5 | NCIS: LOS ANGELES | CBS | 16147 | 9.8 | 15 | |
| 6 | Big Bang Theory, THE | CBS | 15646 | 9.3 | 15 | |
| 7 | Mentalist, THE | CBS | 13549 | 8.4 | 14 | |
| 8 | Person Of Interest | CBS | 13161 | 8.0 | 12 | |
| 9 | Two and a Half Men | CBS | 12453 | 7.8 | 11 | |
| 10 | Criminal Minds | CBS | 12195 | 7.6 | 12 | |
| 11 | 60 Minutes | CBS | 11779 | 7.4 | 12 | |
| 12 | Modern Family | ABC | 11226 | 6.8 | 10 | |
| 13 | CSI | CBS | 11087 | 7.0 | 12 | |
| 14 | UNFORGETTABLE | CBS | 11034 | 7.2 | 12 | |
| 15 | MIKE & Molly | CBS | 10908 | 6.8 | 10 | |
| 16 | Blue Bloods | CBS | 10811 | 6.9 | 12 | |
| 17 | SURVIVOR: ONE WORLD | P | CBS | 10795 | 6.3 | 10 |
| 18 | Undercover Boss | P | CBS | 10780 | 6.7 | 12 |
| 19 | ROB | CBS | 10653 | 6.3 | 10 | |
| 20 | 2 Broke Girls | CBS | 10481 | 6.4 | 10 | |
| 21 | Amazing Race 20 | P | CBS | 10341 | 5.9 | 9 |
| 22 | CSI: MIAMI | CBS | 10028 | 6.6 | 11 | |
| 23 | Once Upon A Time | ABC | 9843 | 5.6 | 9 | |
| 24 | Good Wife, THE | CBS | 9728 | 6.3 | 10 | |
| 25 | Hawaii Five-0 | CBS | 9696 | 6.3 | 10 |
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Nielsen TV Ratings: ©2012 The Nielsen Company. All Rights Reserved. All numbers are live viewing plus same day DVR viewing.
