The season premiere of Big Brother was adjusted up a tenth from Thursday's preliminary numbers to a 2.8 adults 18-49 rating. So You Think You Can Dance was also adjusted up a tenth, to a 1.7 adults 18-49 rating and Expedition Impossible was also adjusted up a tenth to a 1.7 adults 18-49 rating. There were no other 18-49 adjustments for Thursday night's originals.
Final broadcast TV ratings for Thursday:
| Time | Net | Show | 18-49 Rating/Sh | Viewers (Millions) |
| 8:00 | ABC | Wipeout | 2.0/7 | 6.81 |
| CBS | The Big Bang Theory (R) | 1.9/7 | 6.79 | |
| FOX | So You Think You Can Dance | 1.7/6 | 5.54 | |
| NBC | Community (R) | 0.6/2 | 2.03 | |
| CW | Vampire Diaries (R) | 0.4/2 | 0.93 | |
| 8:30 | CBS | Rules of Engagement (R) | 1.4/5 | 5.16 |
| NBC | Parks & Recreation (R) | 0.8/3 | 2.13 | |
| 9:00 | CBS | Big Brother (Season Premiere) | 2.8/8 | 7.89 |
| ABC | Expedition Impossible | 1.7/5 | 5.65 | |
| NBC | The Office (R) | 1.0/3 | 2.37 | |
| FOX | Glee (R) | 0.9/3 | 3.01 | |
| CW | Nikita (R) | 0.4/1 | 1.01 | |
| 9:30 | NBC | 30 Rock (R) | 0.7/2 | 1.96 |
| 10:00 | ABC | Rookie Blue | 1.5/4 | 5.70 |
| CBS | The Mentalist (R) | 1.2/4 | 6.72 | |
| NBC | Love Bites | 0.7/2 | 1.98 |
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Nielsen TV Ratings: ©2011 The Nielsen Company. All Rights Reserved.
