The Big Bang Theory, The Vampire Diaries, The Office, Person Of Interest were each adjusted up a tenth of a ratings point with adults 18-49 vs. the Thursday preliminary ratings. Rules of Engagement, The Secret Circle, Whitney and Prime Suspect were each adjusted down a tenth of a point.
Game 6 of the World Series scored a 6.5 adults 18-49 rating and averaged 21.06 million viewers.
Final national broadcast primetime ratings for Thursday, October 27, 2011:
| Time | Net | Show | 18-49 Rating | 18-49 Share | Viewers Live+SD (million) |
| 8:00PM | FOX | World Series Game 6 (Rangers at Cardinals) | 6.5 | 18 | 21.060 |
| CBS | The Big Bang Theory | 4.6 | 13 | 14.540 | |
| ABC | It's The Great Pumpkin, Charlie Brown (special) | 2.3 | 6 | 7.440 | |
| CW | The Vampire Diaries | 1.5 | 4 | 3.280 | |
| NBC | Community | 1.4 | 4 | 3.420 | |
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| 8:30PM | CBS | Rules of Engagement | 3.3 | 9 | 10.620 |
| NBC | Parks & Recreation | 1.8 | 5 | 3.870 | |
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| 9:00PM | ABC | Grey's Anatomy | 3.7 | 9 | 9.930 |
| NBC | The Office | 2.9 | 7 | 5.530 | |
| CBS | Person Of Interest | 2.7 | 6 | 11.620 | |
| CW | The Secret Circle | 0.9 | 2 | 2.310 | |
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| 9:30PM | NBC | Whitney | 2.0 | 5 | 4.190 |
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| 10:00PM | CBS | The Mentalist | 2.5 | 6 | 12.420 |
| ABC | Private Practice | 2.4 | 6 | 6.400 | |
| NBC | Prime Suspect | 1.1 | 3 | 4.030 | |
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Nielsen TV Ratings: ©2011 The Nielsen Company. All Rights Reserved.
