Prime-time viewership numbers compiled by Nielsen Media Research for Aug. 7-13. Top 20 listings include the week's ranking, with viewership for the week and season-to-date rankings in parentheses. An ``X'' in parentheses denotes a one-time-only presentation.

1. (7) ``CSI: Miami,'' CBS, 11.42 million viewers.

2. (16) ``Two and a Half Men,'' CBS, 10.4 million viewers.

3. (53) ``So You Think You Can Dance,'' (Wednesday), Fox, 10.11 million viewers.

4. (3) ``CSI: Crime Scene Investigation,'' CBS, 9.76 million viewers.

5. (43) ``America's Got Talent,'' NBC, 9.67 million viewers.

6. (26) ``60 Minutes,'' CBS, 9.34 million viewers.

7. (65) ``Without a Trace,'' (Sunday), CBS, 9.11 million viewers.

8. (6) ``Without a Trace,'' CBS, 9.01 million viewers.

9. (20) ``CSI: NY,'' CBS, 8.83 million viewers.

10. (X) ``NFL Exhibition: Washington at Cincinnati,'' NBC, 8.74 million viewers.

11. (93) ``America's Got Talent,'' (Thursday), NBC, 8.53 million viewers.

12. (21) ``Law & Order: SVU,'' NBC, 8.49 million viewers.

13. (87) ``Primetime,'' ABC, 8.36 million viewers.

14. (68) ``Two and a Half Men,'' (Monday, 8 p.m.) CBS, 8.25 million viewers.

15. (100) ``Hell's Kitchen,'' Fox, 8.13 million viewers.

16. (22) ``Cold Case,'' CBS, 8.12 million viewers.

17. (29) ``Criminal Minds,'' CBS, 8.04 million viewers.

18. (32) ``New Adventures of Old Christine,'' CBS, 7.95 million viewers.

19. (87) ``Last Comic Standing 4,'' NBC, 7.75 million viewers.

20. (X) ``Last Comic Standing 4,'' NBC, (Wednesday), 7.65 million viewers.