Some interesting differences between the overall viewing and the 18-49 viewing this week.
Nielsen Top Twenty Shows by viewers for the week ending February 8, 2009:
| Rank | Shows | R=Repeat S=Special P=Premiere | Net | # Viewers (LIVE+SD) (000) | HH rating (LIVE+SD) | HH SHARE (LIVE+SD) | 18-49 Rank |
| 1 | AMERICAN IDOL-TUESDAY | FOX | 26,601 | 14.7 | 22 | 1 | |
| 2 | AMERICAN IDOL-WEDNESDAY | FOX | 26,384 | 14.8 | 23 | 2 | |
| 3 | GRAMMY AWARDS(S) | S | CBS | 19,048 | 11.2 | 18 | 3 |
| 4 | 60 MINUTES | CBS | 16,739 | 10.4 | 17 | 25 | |
| 5 | TWO AND A HALF MEN | CBS | 16,550 | 10.0 | 15 | 6 | |
| 6 | CSI: MIAMI | CBS | 16,102 | 10.2 | 17 | 12 | |
| 7 | Grey'S ANATOMY-THU 9PM | ABC | 15,273 | 9.8 | 15 | 4 | |
| 8 | HOUSE | FOX | 14,871 | 8.8 | 13 | 5 | |
| 9 | Mentalist, THE | R | CBS | 14,438 | 9.0 | 14 | |
| 10 | NCIS | R | CBS | 13,849 | 8.6 | 13 | |
| 11 | DESPERATE HOUSEWIVES | ABC | 13,823 | 8.6 | 13 | 9 | |
| 12 | LIE TO ME | FOX | 12,993 | 7.7 | 12 | 11 | |
| 13 | PRIVATE PRACTICE | ABC | 12,910 | 8.3 | 14 | 7 | |
| 14 | FRINGE | FOX | 12,780 | 7.5 | 11 | 8 | |
| 15 | WITHOUT A TRACE | CBS | 12,162 | 7.8 | 13 | ||
| 16 | CSI | R | CBS | 11,779 | 7.5 | 11 | |
| 17 | GHOST WHISPERER | CBS | 11,415 | 7.1 | 13 | ||
| 18 | 24 | FOX | 11,341 | 6.6 | 10 | 20 | |
| 19 | BACHELOR, THE | ABC | 11,022 | 6.9 | 10 | 16 | |
| 20 | LOST | ABC | 11,012 | 6.3 | 10 | 10 |
Nielsen Ratings Data: ©2009 The Nielsen Company. All Rights Reserved
All numbers above based on live plus same day DVR viewing.
