The top 20 prime-time shows (Aug. 20-26)

Prime-time viewership numbers compiled by Nielsen Media Research for Aug. 20-26. 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. (31) "America's Got Talent," NBC, 13.94 million viewers.

2. (7) "CSI: Crime Scene Investigation," CBS, 10.37 million viewers.

3. (22) "Without a Trace," CBS, 9.3 million viewers.

4. (20) "Two and a Half Men," CBS, 9.25 million viewers.

5. (X) NFL Exhibition: Philadelphia at Pittsburgh (Sunday), NBC, 9.2 million viewers.

6. (28) "60 Minutes," CBS, 9.05 million viewers.

7. (44) "Singing Bee," NBC, 8.88 million viewers.

8. (77) "Power of Ten," CBS, 8.7 million viewers.

9. (26) "Cold Case," CBS, 8.45 million viewers.

10. (24) "Criminal Minds," CBS, 8.3 million viewers.

11. (22) "CSI: NY," CBS, 7.85 million viewers.

12. (89) "Big Brother 8" (Thursday), CBS, 7.78 million viewers.

13. (81) "Just for Laughs," ABC, 7.68 million viewers.

14. (13) "CSI: Miami," CBS, 7.65 million viewers.

15. (98) "Big Brother 8" (Sunday), CBS, 7.41 million viewers.

16. (89) "Big Brother 8" (Tuesday), CBS, 7.3 million viewers.

17. (110) "Last Comic Standing 5," NBC, 7.25 million viewers.

18. (X) "TV's Funniest Moments" (Monday), Fox, 7.24 million viewers.

19. (110) "Just for Laughs" (Tuesday), ABC, 6.83 million viewers.

20. (X) "NFL Pre-Season Pre-kickoff" (Sunday), NBC, 6.77 million viewers.