Dancing with the Stars once again danced its way to the most-watched telecast of the week, though American Idol took the top two spots with adults 18-49, followed by Glee. NCIS was again the week's most-watched scripted program, followed by The Mentalist.
Lost, now with less than a handful of episodes to go, was ABC's top scripted program with adults 18-49.
Weekly cable show ratings and overnight broadcast show ratings are also available.
Adults 18-49 viewing for the week ending May 9, 2010
| Rank | Shows | R=Repeat S=Special P=Premiere | Net | 18-49 rating | 18-49 Viewers (000) |
| 1 | AMERICAN IDOL-WEDNESDAY | FOX | 6.5 | 8,517 | |
| 2 | American Idol-TUESDAY | FOX | 6.2 | 8,159 | |
| 3 | GLEE | FOX | 4.9 | 6,448 | |
| 4 | Big Bang Theory, THE | CBS | 4.6 | 6,017 | |
| 5 | SURVIVOR: HEROES-VILLAINS | CBS | 4.1 | 5,439 | |
| 6 | Dancing with the Stars | ABC | 4.1 | 5,375 | |
| 7 | LOST | ABC | 4.0 | 5,206 | |
| 8 | HOUSE | FOX | 3.9 | 5,135 | |
| 9 | MODERN FAMILY | ABC | 3.9 | 5,126 | |
| 10 | Grey'S ANATOMY-THU 9PM | ABC | 3.8 | 5,041 | |
| 11 | FAMILY GUY | FOX | 3.8 | 4,993 | |
| 12 | Desperate Housewives | ABC | 3.8 | 4,967 | |
| 13 | BIG BANG THEORY, THE - SP(S) | SR | CBS | 3.6 | 4,794 |
| 14 | OFFICE | NBC | 3.5 | 4,608 | |
| 15 | CRIMINAL MINDS | CBS | 3.3 | 4,341 | |
| 16 | Mentalist, THE | CBS | 3.3 | 4,315 | |
| 17 | BIGGEST LOSER 9 | NBC | 3.2 | 4,254 | |
| 18 | NCIS | CBS | 3.1 | 4,132 | |
| 19 | CSI | CBS | 3.1 | 4,099 | |
| 20 | How I Met Your Mother | CBS | 3.1 | 4,037 | |
| 21 | AMERICAN DAD | FOX | 3.0 | 3,914 | |
| 22 | Amazing Race 16 | CBS | 2.9 | 3,859 | |
| 23 | Apprentice 9 | NBC | 2.9 | 3,828 | |
| 24 | NCIS: LOS ANGELES | CBS | 2.8 | 3,737 | |
| 25 | PRIVATE PRACTICE | ABC | 2.8 | 3,717 |
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Overall viewing (all ages 2+) for the week ending May 9, 2010:
| Rank | Shows | R=Repeat S=Special P=Premiere | Net | # Viewers (LIVE+SD) (000) | HH RATING (LIVE+SD) | HH SHARE (LIVE+SD) |
| 1 | Dancing with the Stars | ABC | 19,641 | 12.5 | 20 | |
| 2 | American Idol-WEDNESDAY | FOX | 19,580 | 11.3 | 18 | |
| 3 | American Idol-TUESDAY | FOX | 17,498 | 10.1 | 16 | |
| 4 | NCIS | CBS | 15,098 | 9.5 | 15 | |
| 5 | Mentalist, THE | CBS | 14,845 | 9.4 | 17 | |
| 6 | NCIS: LOS ANGELES | CBS | 14,336 | 9.0 | 14 | |
| 7 | CSI | CBS | 14,147 | 8.7 | 14 | |
| 8 | SURVIVOR: HEROES-VILLAINS | CBS | 13,058 | 7.7 | 14 | |
| 9 | Good Wife, THE | CBS | 12,881 | 8.4 | 15 | |
| 10 | Criminal Minds | CBS | 12,394 | 7.7 | 12 | |
| 11 | DANCING W/STARS RESULTS | ABC | 12,043 | 7.8 | 13 | |
| 12 | Big Bang Theory, THE | CBS | 11,625 | 7.0 | 11 | |
| 13 | GLEE | FOX | 11,623 | 6.9 | 11 | |
| 14 | JESSE STONE: NO REMORSE | S | CBS | 11,486 | 7.1 | 12 |
| 15 | Desperate Housewives | ABC | 11,361 | 7.0 | 11 | |
| 16 | Grey'S ANATOMY-THU 9PM | ABC | 11,034 | 7.3 | 12 | |
| 17 | 60 Minutes | CBS | 10,926 | 7.0 | 14 | |
| 18 | CASTLE | ABC | 10,686 | 6.9 | 12 | |
| 19 | Amazing Race 16 | CBS | 10,576 | 5.9 | 10 | |
| 20 | Big Bang Theory, THE - SP(S) | SR | CBS | 10,305 | 6.4 | 10 |
| 21 | CSI: NY | CBS | 10,299 | 6.6 | 12 | |
| 22 | HOUSE | FOX | 9,982 | 6.1 | 10 | |
| 23 | ROMANTICALLY CHALLENGED | ABC | 9,644 | 6.2 | 10 | |
| 24 | CSI: MIAMI | CBS | 9,624 | 6.3 | 11 | |
| 25 | LOST | ABC | 9,590 | 5.7 | 9 |
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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)
