You will find a summary of the 20 series with the best viewer ratings in the States from 27 April 2015 to 3 May 2015 below.
| Series | Ratings | Episode | Channel | Broadcast on | |
| 1 | NCIS | 14.85 | Season 12, Episode 22 | CBS | Tuesday 28 Apr |
| 2 | NCIS: New Orleans | 14.55 | Season 1, Episode 21 | CBS | Tuesday 28 Apr |
| 3 | The Big Bang Theory | 13.85 | Season 8, Episode 23 | CBS | Thursday 30 Apr |
| 4 | Dancing with the Stars | 13.22 | Season 20, Episode 7 | ABC | Monday 27 Apr |
| 5 | Blue Bloods | 11.28 | Season 5, Episode 22 | CBS | Friday 1 May |
| 6 | Madam Secretary | 9.67 | Season 1, Episode 22 | CBS | Sunday 3 May |
| 7 | Survivor | 9.25 | Season 30, Episode 11 | CBS | Wednesday 29 Apr |
| 8 | Mom | 8.78 | Season 2, Episode 22 | CBS | Thursday 30 Apr |
| 9 | Grey's Anatomy | 8.74 | Season 11, Episode 22 | ABC | Thursday 30 Apr |
| 10 | Criminal Minds | 8.72 | Season 10, Episode 22 | CBS | Wednesday 29 Apr |
| 11 | 60 Minutes | 8.68 | Season 47, Episode 32 | CBS | Sunday 3 May |
| 12 | Hawaii Five-0 | 8.6 | Season 5, Episode 23 | CBS | Friday 1 May |
| 13 | Person of Interest | 8.45 | Season 4, Episode 21 | CBS | Tuesday 28 Apr |
| 14 | The Good Wife | 8.35 | Season 6, Episode 21 | CBS | Sunday 3 May |
| 15 | Castle | 8.31 | Season 7, Episode 21 | ABC | Monday 27 Apr |
| 16 | Chicago PD | 8.07 | Season 2, Episode 20 | NBC | Wednesday 29 Apr |
| 17 | Modern Family | 8 | Season 6, Episode 21 | ABC | Wednesday 29 Apr |
| 18 | NCIS: Los Angeles | 7.82 | Season 6, Episode 22 | CBS | Monday 27 Apr |
| 19 | The Middle | 7.39 | Season 6, Episode 22 | ABC | Wednesday 29 Apr |
| 20 | CSI: Cyber | 7.23 | Season 1, Episode 9 | CBS | Wednesday 29 Apr |
Nielsen TV Ratings: ©2015 The Nielsen Company. All Rights Reserved.
