The highest rated Grammy Awards since 2004 topped the weekly charts both with adults 18-49 and overall viewers, edging out American Idol. FOX's House was the top-rated scripted content with adults 18-49 and NCIS was the most-watched scripted show overall.
Below are the top 25 tables for both adults 18-49 and overall viewing.
Weekly cable show ratings and overnight broadcast show ratings are also available.
Adults 18-49 viewing for the week ending January 31, 2010:
| Rank | Shows | R=Repeat S=Special P=Premiere | Net | 18-49 rating | 18-49 Viewers (000) |
| 1 | GRAMMY AWARDS(S) | S | CBS | 9.9 | 12,966 |
| 2 | American Idol-WEDNESDAY | FOX | 9.5 | 12,505 | |
| 3 | AMERICAN IDOL-TUESDAY | FOX | 9.0 | 11,888 | |
| 4 | HOUSE | FOX | 5.2 | 6,821 | |
| 5 | NCIS | CBS | 4.0 | 5,328 | |
| 6 | Big Bang Theory, THE | R | CBS | 4.0 | 5,244 |
| 7 | BACHELOR, THE | ABC | 3.9 | 5,192 | |
| 8 | Two and a Half Men | R | CBS | 3.8 | 4,965 |
| 9 | BIGGEST LOSER 9 | NBC | 3.8 | 4,959 | |
| 10 | NCIS: LOS ANGELES | CBS | 3.7 | 4,885 | |
| 11 | DESPERATE HOUSEWIVES | ABC | 3.7 | 4,840 | |
| 12 | BONES | FOX | 3.6 | 4,689 | |
| 13 | 24 | FOX | 3.4 | 4,471 | |
| 14 | Family Guy | FOX | 3.2 | 4,200 | |
| 15 | HUMAN TARGET SP-1/26 9P(S) | S | FOX | 3.1 | 4,041 |
| 16 | CASTLE | ABC | 3.0 | 4,010 | |
| 17 | FRINGE | FOX | 3.0 | 4,001 | |
| 18 | CSI: MIAMI | R | CBS | 2.6 | 3,402 |
| 19 | CHUCK | NBC | 2.5 | 3,292 | |
| 20 | American Dad | FOX | 2.5 | 3,249 | |
| 21 | SORTILEGIO THU | UNI | 2.4 | 3,117 | |
| 22 | BROTHERS & SISTERS | ABC | 2.4 | 3,110 | |
| 23 | Simpsons | FOX | 2.4 | 3,098 | |
| 24 | AMER FUNN HOME VIDEOS | ABC | 2.3 | 2,995 | |
| 25 | Mentalist, THE | R | CBS | 2.3 | 2,988 |
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Overall viewing (all ages 2+) for the week ending January 31, 2010:
| Rank | Shows | R=Repeat S=Special P=Premiere | Net | # Viewers (LIVE+SD) (000) | HH RATING (LIVE+SD) | HH SHARE (LIVE+SD) |
| 1 | GRAMMY AWARDS(S) | S | CBS | 25,869 | 14.3 | 23 |
| 2 | American Idol-WEDNESDAY | FOX | 25,710 | 14.0 | 22 | |
| 3 | American Idol-TUESDAY | FOX | 24,452 | 13.6 | 21 | |
| 4 | NCIS | CBS | 20,221 | 12.2 | 19 | |
| 5 | NCIS: LOS ANGELES | CBS | 16,942 | 10.4 | 16 | |
| 6 | HOUSE | FOX | 14,213 | 8.5 | 13 | |
| 7 | BONES | FOX | 12,331 | 7.3 | 12 | |
| 8 | 60 Minutes | CBS | 12,328 | 7.7 | 12 | |
| 9 | Two and a Half Men | R | CBS | 12,069 | 7.7 | 11 |
| 10 | Big Bang Theory, THE | R | CBS | 11,500 | 7.1 | 11 |
| 11 | BACHELOR, THE | ABC | 11,470 | 7.4 | 11 | |
| 12 | Desperate Housewives | ABC | 11,437 | 6.9 | 10 | |
| 13 | Mentalist, THE | R | CBS | 11,068 | 7.0 | 12 |
| 14 | 24 | FOX | 10,814 | 6.4 | 10 | |
| 15 | CASTLE | ABC | 10,551 | 6.8 | 12 | |
| 16 | Good Wife, THE | R | CBS | 10,016 | 6.7 | 12 |
| 17 | Biggest Loser 9 | NBC | 9,708 | 5.9 | 9 | |
| 18 | CSI: MIAMI | R | CBS | 9,548 | 6.3 | 11 |
| 19 | Human Target SP-1/26 9P(S) | S | FOX | 9,261 | 5.5 | 9 |
| 20 | CSI | R | CBS | 9,145 | 5.8 | 9 |
| 21 | FRINGE | FOX | 8,980 | 5.2 | 8 | |
| 22 | NUMB3RS | R | CBS | 8,713 | 5.5 | 10 |
| 23 | AMER FUNN HOME VIDEOS | ABC | 8,547 | 4.9 | 8 | |
| 24 | Extreme Makeover:HM ED-8P | ABC | 8,542 | 5.1 | 8 | |
| 25 | STATE-UNION ANALYSIS-NBC(S) | S | NBC | 8,283 | 5.1 | 8 |
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Nielsen Ratings Data: ©2010 The Nielsen Company. All Rights Reserved. All ratings above Live+SD (live viewing plus same day DVR viewing)
