Terra Nova, How I Met Your Mother, 2 Broke Girls and Two and a Half Men were adjusted up a tenth, and Castle and Hart Of Dixie were adjusted down a tenth with adults 18-49 versus last night's preliminary ratings.
Broadcast primetime final ratings for Monday, October 17, 2011:
| Time | Net | Show | 18-49 rating | Viewers (Millions) |
| 8:00 | CBS | How I Met Your Mother | 4.2/12 | 9.81 |
| ABC | Dancing with the Stars 8-10p | 3.3/8 | 17.76 | |
| FOX | Terra Nova | 2.8/7 | 8.31 | |
| NBC | The Sing-Off (8-10p) | 1.6/4 | 4.34 | |
| CW | Gossip Girl | 0.6/2 | 1.16 | |
| 8:30 | CBS | 2 Broke Girls | 4.4/11 | 11.47 |
| 9:00 | CBS | Two and a Half Men | 5.3/13 | 15.14 |
| FOX | House | 3.1/7 | 8.34 | |
| CW | Hart Of Dixie | 0.6/2 | 1.65 | |
| 9:30 | CBS | Mike & Molly | 3.9/9 | 11.51 |
| 10:00 | CBS | Hawaii Five-0 | 3.1/8 | 11.07 |
| ABC | Castle | 2.5/7 | 11.23 | |
| NBC | Prime Suspect (R) | 0.8/2 | 2.73 |
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Nielsen TV Ratings Data: ©2011 The Nielsen Company. All Rights Reserved.
