A list of the top 20 prime-time programs in the Nielsen ratings for Aug. 11-18

Prime-time viewership numbers compiled by Nielsen for Aug. 11-18. Listings include the week's ranking and viewership.

1. "America's Got Talent" (Wednesday, 9 p.m.), NBC, 10.0 million.

2. "America's Got Talent" (Tuesday), NBC, 9.7 million.

3. "NCIS," CBS, 8.1 million.

4. "60 Minutes," CBS, 7.9 million.

5. "The Big Bang Theory," CBS, 7.7 million.

6. "20/20: Robin Williams," ABC, 7.4 million.

7. "Under the Dome," CBS, 6.90 million.

8. "Big Brother" (Sunday), CBS, 6.8 million.

9. "Big Brother" (Wednesday), CBS, 6.7 million.

10. "Big Brother" (Thursday), CBS, 6.4 million.

11. "Unforgettable," CBS, 6.3 million.

12. NFL Preseason: Kansas City at Carolina, Fox, 6.22 million.

13. "Blue Bloods," CBS, 6.15 million.

14. "NCIS: Los Angeles," CBS, 6.1 million.

15. "Mom," CBS, 5.9 million.

16. "America's Got Talent" (Wednesday, 8 p.m.), NBC, 5.8 million.

17. "Extant," CBS, 5.7 million.

18. "Dateline Friday," NBC, 5.5 million.

19. "Masterchef," Fox, 5.4 million.

20. "Bachelor in Paradise," ABC, 5.3 million.