Nielsen's top 20 prime-time shows for Aug. 12-18

The Associated Press

Prime-time viewership numbers compiled by the Nielsen Co. for Aug. 12-18. Listings include the week's ranking and viewership.

1. "Duck Dynasty," A&E, 11.77 million.

2. "Under the Dome," CBS, 10.36 million.

3. "America's Got Talent" (Wednesday, 9 p.m.), NBC, 9.51 million.

4. "America's Got Talent" (Tuesday), NBC, 8.79 million.

5. "CMA Music Festival," ABC, 8.30 million.

6. "NCIS," CBS, 8.09 million.

7. "60 Minutes," CBS, 7.43 million.

8. "The Big Bang Theory," CBS, 6.71 million.

9. "Unforgettable," CBS, 6.57 million.

10. "Big Brother 15" (Sunday), CBS, 6.48 million.

11. NFL on Fox Preseason: Indianapolis at NY Giants, Fox, 6.47 million.

12. "Big Brother 15" (Thursday), CBS, 6.33 million.

13. "Big Brother 15" (Wednesday), CBS, 6.17 million.

14. "CSI: Crime Scene Investigation," CBS, 6.07 million.

15. "Two and a Half Men," CBS, 5.88 million.

16. "America's Got Talent" (Wednesday, 8 p.m.), NBC, 5.75 million.

17. "Dateline," NBC, 5.61 million.

18. "Rizzoli & Isles," TNT, 5.60 million.

19. "MasterChef" (Wednesday, 9 p.m.), Fox, 5.49 million.

20. "NCIS: Los Angeles," CBS, 5.44 million.

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ABC is owned by The Walt Disney Co.; CBS is a division of CBS Corp.; Fox is a unit of Twenty-First Century Fox Inc.; NBC is owned by NBC Universal; A&E is owned by A&E Television Networks; TNT is owned by Time Warner Inc.