A list of the top 20 prime-time programs in the Nielsen ratings for Sept. 1-7

Prime-time viewership numbers compiled by Nielsen for Sept. 1-7. Listings include the week's ranking and viewership.

1. NFL Football: Green Bay at Seattle, NBC, 26.91 million.

2. NFL Football: Indianapolis at Denver, NBC, 23.69 million.

3. "NFL Thursday Pre-Kick Show," NBC, 20.99 million.

4. "Sunday Night NFL Pre-Kick Show, NBC, 18.81 million.

5. "Football Night in America Pt. 3," NBC, 14.03 million.

6. "The OT," Fox, 12.46 million.

7. "NFL Opening Kickoff Show," NBC, 11.79 million.

8. "NCIS" (Tuesday, 9 p.m.), CBS, 10.6 million.

9. "America's Got Talent" (Wednesday, 9 p.m.), NBC, 10.47 million.

10. "NCIS," CBS, 10.36 million.

11. "America's Got Talent" (Tuesday), NBC, 8.99 million.

12. "The Big Bang Theory," CBS, 8.22 million.

13. "60 Minutes," CBS, 8.09 million.

14. "NCIS: Los Angeles" (Tuesday, 10 p.m.), CBS, 7.31 million.

15. "Football Night in America Pt. 2," NBC, 7.07 million.

16. "Big Brother," (Sunday), CBS, 7.09 million.

17. "Unforgettable," CBS, 6.97 million.

18. "Big Brother" (Wednesday), CBS, 6.55 million.

19. "Big Brother" (Thursday), CBS, 6.45 million.

20. "America's Got Talent" (Wednesday, 8 p.m.), NBC, 6.42 million.

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ABC is owned by The Walt Disney Co.; CBS is a division of CBS Corp.; Fox is owned by 21st Century Fox; NBC is owned by NBC Universal.