Prime-time viewership numbers compiled by the Nielsen Co. for Aug. 15-21. Listings include the week's ranking and viewership.
1. NFL Preseason: San Diego at Dallas, NBC, 10.68 million.
2. "America's Got Talent" (Tuesday), NBC, 10.40 million.
3. "America's Got Talent" (Wednesday), NBC, 9.74 million.
4. "NCIS," CBS, 8.70 million.
5. NFL Preseason: Philadelphia at Pittsburgh, Fox, 8.59 million.
6. "Big Brother 13" (Sunday), CBS, 8.37 million.
7. "Big Brother 13" (Wednesday), CBS, 8.14 million.
8. "NCIS: Los Angeles," CBS, 7.90 million.
9. "60 Minutes," CBS, 7.80 million.
10. "Big Brother 13" (Thursday), CBS, 7.74 million.
11. NFL Preseason Prekick, NBC, 7.62 million.
12. "CSI: Crime Scene Investigation," CBS, 7.15 million.
13. "Master Chef" (Tuesday), Fox, 7.12 million.
14. "Hell's Kitchen" (Monday), Fox, 6.99 million.
15. "The Big Bang Theory," CBS, 6.80 million.
16. NFL Preseason Pregame, Fox, 6.66 million.
17. "Wipeout" (Thursday), ABC, 6.47 million.
18. "Bachelor Pad," ABC, 6.41 million.
19. "Master Chef" (Special), Fox, 6.29 million.
20. "Dateline NBC" (Sunday), NBC, 6.11 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 the Comcast Corp.