NATIONAL NIELSEN VIEWERSHIP
Here are the rankings for national prime-time network television last week (March 8-14) as compiled by the Nielsen Co. They are based on the average number of people who watched a program from start to finish. Nielsen estimates there are 286 million potential viewers in the U.S. ages 2 and older. Viewership is listed in millions.
| Rank | Network | Program | Viewers |
| 1 | FOX | American Idol (Tue.) | 22.75 |
| 2 | FOX | American Idol (Wed.) | 20.70 |
| 3 | CBS | NCIS | 19.58 |
| 4 | FOX | American Idol (Thu.) | 19.34 |
| 5 | CBS | Two and a Half Men | 17.61 |
| 6 | CBS | NCIS: Los Angeles | 16.99 |
| 7 | CBS | The Big Bang Theory | 16.31 |
| 8 | CBS | The Mentalist | 16.02 |
| 9 | CBS | CSI | 15.25 |
| 10 | CBS | The Good Wife | 13.95 |
| 11 | CBS | Undercover Boss | 13.51 |
| 12 | CBS | Criminal Minds | 13.29 |
| 13 | FOX | House | 12.81 |
| 14 | CBS | Survivor: Heroes vs. Villains | 12.12 |
| 15 | ABC | Desperate Housewives | 12.01 |
| 16 | CBS | 60 Minutes | 11.98 |
| 17 | CBS | CSI: Miami | 11.93 |
| 18 | CBS | CSI: NY | 11.07 |
| 19 | ABC | Grey’s Anatomy (Thu., 9 p.m.) | 10.94 |
| 20 | CBS | Cold Case | 10.23 |
| 21 | CBS | The Amazing Race | 10.10 |
| 22 | CBS | Rules of Engagement | 10.07 |
| 23 | CBS | How I Met Your Mother | 10.06 |
| 24 | ABC | Lost | 9.49 |
| 25 | ABC | Jason and Molly’s Wedding | 9.30 |
| 26 | ABC | Castle | 9.11 |
| 27 | ABC | Modern Family | 9.02 |
| 28 | FOX | 24 | 8.86 |
| 29 | ABC | Extreme Makeover: Home Edition (8 p.m.) | 8.66 |
| 30 | NBC | Law & Order: SVU | 8.53 |
| ABC | Brothers & Sisters | 8.53 | |
| 32 | CBS | Numb3rs | 8.34 |
| 33 | NBC | The Celebrity Apprentice | 8.27 |
| 34 | NBC | The Biggest Loser | 7.91 |
| 35 | NBC | Dateline (Fri.) | 7.88 |
| 36 | FOX | Human Target | 7.83 |
| 37 | CBS | The New Adventures of Old Christine | 7.67 |
| 38 | ABC | Private Practice | 7.66 |
| 39 | CBS | Medium | 7.62 |
| 40 | FOX | Glee (9 p.m.) | 7.55 |
| 41 | NBC | Minute to Win It | 7.47 |
| 42 | ABC | America’s Funniest Home Videos | 7.43 |
| NBC | The Office | 7.43 | |
| 44 | CBS | Ghost Whisperer | 7.22 |
| 45 | FOX | Kitchen Nightmares (Thu., 9 p.m.) | 7.19 |
| 46 | NBC | Who Do You Think You Are? | 6.95 |
| 47 | CBS | 48 Hours Mystery | 6.91 |
| 48 | FOX | Cops | 6.90 |
| 49 | CBS | Gary Unmarried | 6.68 |
| 50 | FOX | Family Guy | 6.66 |
| 51 | NBC | Chuck | 6.37 |
| 52 | NBC | Mercy | 6.31 |
| 53 | ABC | The Middle | 6.30 |
| 54 | FOX | America’s Most Wanted: America Fights Back | 6.29 |
| 55 | FOX | Cops | 6.21 |
| 56 | ABC | Cougar Town | 6.10 |
| 57 | NBC | Parenthood | 6.09 |
| 58 | NBC | The Marriage Ref | 6.01 |
| 59 | NBC | 30 Rock | 5.77 |
| 60 | CBS | Crimetime Saturday | 5.59 |
| 61 | ABC | 20/20 (Fri.) | 5.44 |
| FOX | The Simpsons (8:30 p.m.) | 5.44 | |
| 63 | NBC | Law & Order: SVU (Wed., 9 p.m.) | 5.40 |
| 64 | NBC | Law & Order | 5.21 |
| 65 | FOX | The Simpsons | 5.17 |
| 66 | NBC | Law & Order: SVU (Sat.) | 4.89 |
| 67 | ABC | The Forgotten | 4.85 |
| 68 | NBC | Trauma | 4.75 |
| 69 | UNI | Hasta que el Dinero nos Separe (Tue.) | 4.69 |
| 70 | UNI | Hasta que el Dinero nos Separe (Wed.) | 4.68 |
| 71 | NBC | Minute to Win It (Sun.) | 4.66 |
| 72 | UNI | Hasta que el Dinero nos Separe (Thu.) | 4.65 |
| UNI | Hasta que el Dinero nos Separe (Fri.) | 4.65 | |
| 74 | NBC | Community | 4.60 |
| 75 | NBC | Parks and Recreation | 4.55 |
| 76 | ABC | Supernanny | 4.54 |
| 77 | UNI | Hasta que el Dinero nos Separe (Mon.) | 4.49 |
| 78 | FOX | Sons of Tucson | 4.47 |
| 79 | ABC | Scrubs (Wed.) | 4.28 |
| ABC | Grey’s Anatomy (Wed.) | 4.28 | |
| 81 | ABC | Lost (8 p.m.) | 4.16 |
| 82 | FOX | Kitchen Nightmares | 4.07 |
| 83 | ABC | Ugly Betty | 4.01 |
| 84 | ABC | Supernanny (Thu.) | 3.85 |
| 85 | NBC | Law & Order (Sat.) | 3.74 |
| 86 | UNI | Corazón Salvaje (Mon.) | 3.68 |
| 87 | CW | America’s Next Top Model | 3.65 |
| CBS | Crimetime Saturday (8 p.m.) | 3.65 | |
| 89 | UNI | Corazón Salvaje (Fri.) | 3.56 |
| 90 | UNI | Cristina (Mon.) | 3.54 |
| 91 | UNI | Corazón Salvaje (Wed.) | 3.46 |
| 92 | UNI | Corazón Salvaje (Thu.) | 3.41 |
| 93 | UNI | Corazón Salvaje (Tue.) | 3.27 |
| 94 | UNI | Mi Pecado (Mon.) | 3.08 |
| 95 | UNI | Mi Pecado (Fri.) | 3.03 |
| FOX | House (Fri., 8 p.m.) | 3.03 | |
| 97 | UNI | Nuestra Belleza Latina (Tue.) | 2.98 |
| 98 | UNI | Nuestra Belleza Latina (Thu.) | 2.97 |
| 99 | NBC | Parenthood (Sat.) | 2.84 |
| 100 | UNI | Mi Pecado (Thu.) | 2.73 |
| 101 | UNI | Mi Pecado (Tue.) | 2.71 |
| 102 | UNI | Mi Pecado (Wed.) | 2.70 |
| 103 | UNI | Imágenes de Impacto | 2.60 |
| UNI | Nuestra Belleza Latina (Sun.) | 2.60 | |
| 105 | UNI | Sabado Gigante | |
| - - | - - | - - | - - |
Network Averages: Here is the number of viewers (in millions) that each network averaged per hour of primetime, for last week and for the season.
| Network | Current Week | Season To Date |
| CBS | 11.26 | 12.1 |
| Fox | 9.4 | 10.1 |
| ABC | 6.48 | 8.63 |
| NBC | 6.3 | 9.02 |
| UNI | 3.24 | 3.54 |