Prime-time viewership numbers compiled by Nielsen Media Research for July 26 to Aug. 1. 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. (2) ``CSI,'' CBS, 13.5 million viewers.

2. (X) ``CSI: Miami,'' CBS, 11.9 million viewers.

3. (17) ``60 Minutes,'' CBS, 10.9 million viewers.

4. (16) ``Cold Case,'' CBS, 10.3 million viewers.

5. (36) ``CBS Sunday Movie: `The Pilot's Wife','' CBS, 10.2 million viewers.

6. (50) ``Amazing Race 5,'' CBS, 10.1 million viewers.

7. (X) ``Two and a Half Men,'' CBS, 9.6 million viewers.

8. (93) ``Trading Spouses,'' Fox, 9.3 million viewers.

9. (X) ``Everybody Loves Raymnd,'' CBS, 9.2 million viewers.

10. (69) ``Extreme Makeover: Home Edition,'' ABC, 9.1 million viewers.

11. (62) ``Big Brother 5'' (Tuesday), CBS, 8.8 million viewers.

12. (66) ``Big Brother 5'' (Thursday), CBS, 8.6 million viewers.

13. (21) ``Law & Order: Special Victims Unit,'' NBC, 8.5 million viewers.

14. (30) ``Navy NCIS,'' CBS, 7.9 million viewers.

15. (24) ``Law & Order: Criminal Intent,'' NBC, 7.9 million viewers.

16. (X) ``Cold Case Special,'' CBS, 7.8 million viewers.

17. (X) ``Two And a Half Men,'' CBS, 7.8 million viewers.

18. (41) ``60 Minutes II,'' CBS, 7.7 million viewers.

19. (59) ``Law & Order'' (Wednesday), NBC, 7.6 million viewers.

20. (69) ``Simple Life 2,'' Fox, 7.6 million viewers.