Prime-time viewership numbers compiled by Nielsen for Aug. 13-19. Listings include the week's ranking and viewership.

1. "America's Got Talent" (Tuesday), NBC, 9.97 million.

2. NFL Exhibition Football: Indianapolis vs. Pittsburgh, NBC, 9.51 million.

3. "America's Got Talent" (Wednesday), NBC, 8.48 million.

4. "The Big Bang Theory," CBS, 8.03 million.

5. "60 Minutes," CBS, 7.92 million.

6. "NCIS," CBS, 7.29 million.

7. "Two and a Half Men" (Thursday), CBS, 6.65 million.

8. "Hell's Kitchen" (Monday), Fox, 6.58 million.

9. "Big Brother 14" (Sunday), CBS, 6.57 million.

10. "NCIS: Los Angeles," CBS, 6.4 million.

11. "Big Brother 14" (Thursday), CBS, 6.13 million.

12. "The Mentalist" (Tuesday), CBS, 5.97 million.

13. "Big Brother 14" (Wednesday), CBS, 5.96 million.

14. "Master Chef" (Tuesday), Fox, 5.73 million.

15. "Grimm," NBC, 5.64 million.

16. "America's Got Talent," (Wednesday, 8 p.m.), 5.5 million.

17. "CSI: Crime Scene Investigation," CBS, 5.44 million.

18. "Criminal Minds," CBS, 5.3 million.

19. "Stars Earn Stripes," NBC, 5.24 million.

20. "Wipeout" (Thursday, 8 p.m.), ABC, 5.22 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 News Corp.; NBC is owned by NBC Universal.