Prime-time viewership numbers compiled by Nielsen Media Research for March 2-8. 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. (1) "American Idol," (Tuesday), Fox, 24.31 million viewers.

2. (1) "American Idol," (Wednesday), Fox, 22.78 million viewers.

3. (X) "American Idol Thursday Special-3/5," Fox, 21.5 million viewers.

4. (4) "CSI: Crime Scene Investigation," CBS, 20.88 million viewers.

5. (X) "Bachelor: After the Final Rose," ABC, 17.47 million viewers.

6. (27) "The Bachelor," ABC, 15.48 million viewers.

7. (11) "Two and a Half Men," CBS, 15.47 million viewers.

8. (6) "NCIS," CBS, 13.67 million viewers.

9. (9) "Desperate Housewives," ABC, 13.65 million viewers.

10. (14) "CSI: Miami," CBS, 13.42 million viewers.

11. (10) "60 Minutes," CBS, 13.31 million viewers.

12. (8) "The Mentalist," CBS, 12.63 million viewers.

13. (24) "Cold Case," CBS, 12.62 million viewers.

14. (25) "Eleventh Hour," CBS, 12.05 million viewers.

15. (17) "Survivor: Tocantins," CBS, 11.85 million viewers.

16. (20) "Rules Of Engagement," CBS, 11.82 million viewers.

17. (20) "24," Fox, 11.14 million viewers.

18. (42) "How I Met Your Mother," CBS, 11.09 million viewers.

19. (32) "Ghost Whisperer," CBS, 11.09 million viewers.

20. (X) "Bachelor: After the Final Rose 2," ABC, 10.9 million viewers.

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 General Electric Co.

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