Suvivor, Survivor: Reunion and Modern Family were each adjusted up a tenth among adults 18-49 versus the preliminary Wednesday broadcast ratings.
Want to know why adjustments occur to the preliminary ratings? Read this.
Final broadcast primetime ratings for Wednesday, May 20, 2015 (all Live+Same Day ratings):
| Time | Net | Show | 18-49 Rating | 18-49 Share | Viewers Live+SD (million) |
| 8:00PM | CBS | Survivor (8-10PM) | 2.3 | 7 | 9.74 |
| ABC | 500 Questions | 1.2 | 5 | 5.06 | |
| FOX | MasterChef (8-10PM) | 1.2 | 4 | 3.39 | |
| NBC | The Mysteries of Laura | 1.1 | 4 | 7.05 | |
| CW | Supernatural -R | 0.3 | 1 | 0.97 | |
| tvbythenumbers.com | |||||
| 9:00PM | ABC | Modern Family | 2.3 | 8 | 7.20 |
| NBC | Law and Order: SVU | 1.4 | 5 | 6.96 | |
| CW | Supernatural | 0.7 | 2 | 1.73 | |
| 9:30PM | ABC | black-ish | 1.6 | 5 | 5.36 |
| 10:00PM | CBS | Survivor Reunion | 1.8 | 6 | 7.21 |
| NBC | Chicago PD | 1.4 | 5 | 7.21 | |
| ABC | Celebrity Wife Swap | 1.0 | 3 | 3.23 | |
-Nielsen TV Ratings: ©2015 The Nielsen Company. All Rights Reserved.---
