Nielsen Top Twenty Shows Among 18-49 year olds for the week ending January 25, 2009:
| Rank | Shows | R=Repeat S=Special P=Premiere | Net | 18-49 Rating | 18-49 Viewers (000) |
| 1 | AMERICAN IDOL-WEDNESDAY | FOX | 9.8 | 12,975 | |
| 2 | AMERICAN IDOL-TUESDAY | FOX | 9.0 | 11,924 | |
| 3 | GREY’S ANATOMY-THU 9PM | ABC | 5.7 | 7,503 | |
| 4 | HOUSE | P | FOX | 5.5 | 7,263 |
| 5 | TWO AND A HALF MEN | CBS | 5.4 | 7,123 | |
| 6 | LOST | P | ABC | 5.0 | 6,626 |
| 7 | CSI | CBS | 4.9 | 6,493 | |
| 8 | LIE TO ME | P | FOX | 4.9 | 6,481 |
| 9 | FRINGE | FOX | 4.6 | 6,128 | |
| 10 | OFFICE | NBC | 4.6 | 6,055 | |
| 11 | HOW I MET YOUR MOTHER | CBS | 4.5 | 5,896 | |
| 12 | 24 | FOX | 4.1 | 5,451 | |
| 13 | EXTREME MAKEOVER:HM ED-8P | ABC | 4.1 | 5,345 | |
| 14 | BIG BANG THEORY, THE | CBS | 4.0 | 5,274 | |
| 15 | BIGGEST LOSER 7 | NBC | 4.0 | 5,243 | |
| 16 | CSI: MIAMI | CBS | 3.8 | 5,000 | |
| 17 | NEIGHBORHOOD BALL-1/20(S) | S | ABC | 3.7 | 4,833 |
| 18 | BACHELOR, THE | ABC | 3.6 | 4,707 | |
| 19 | PRIVATE PRACTICE | ABC | 3.6 | 4,695 | |
| 20 | CRIMINAL MINDS | CBS | 3.4 | 4,522 |
Nielsen TV Ratings Data: ©2009 The Nielsen Company. All Rights Reserved.
All numbers are Live + SD (live, plus same day DVR viewing)

Network scores fairly spread out except for NBC. 6.. 6.. 6.. and 2.
House was not a Premiere.
Cool, it was a timeslot premiere. I guess that counts.
You’re right. My bad, sorry.
Suck on that CBS!
Where the heck are the Simpsons?!? Looks very bad for them, the show had the worst ratings ever last sunday.