Prime-time viewership numbers compiled by Nielsen Media Research for March 17-23. 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, 27.34 million viewers.

2. (2) "American Idol" (Wednesday), Fox, 26.08 million viewers.

3. (4) "Dancing With the Stars" (Monday), ABC, 21.15 million viewers.

4. (X) "Dancing With the Stars" (Tuesday), ABC, 17.02 million viewers.

5. (19) "Two And a Half Men," CBS, 14.06 million viewers.

6. (X) "Survivor: Micronesia" (Wednesday), CBS, 11.56 million viewers.

7. (16) "60 Minutes," CBS, 11.54 million viewers.

8. (43) "The New Adventures of Old Christine," CBS, 11.47 million viewers.

9. (13) "Lost," ABC, 11.46 million viewers.

10. (16) "Extreme Makeover: Home Edition," ABC, 11.37 million viewers.

11. (9) "The Moment of Truth," Fox, 10.92 million viewers.

12. (14) "NCIS," CBS, 10.6 million viewers.

13. (25) "Law & Order," NBC, 10.49 million viewers.

14. (X) "Deal or No Deal" (Thursday), NBC, 10.26 million viewers.

15. (19) "Deal or No Deal" (Monday), NBC, 10.08 million viewers.

16. (43) "Medium," NBC, 10.07 million viewers.

17. (X) "NCAA Basketball Postgame Show" (Sunday), CBS, 10.03 million viewers.

18. (X) "NCAA Basketball Tournament" (Saturday), CBS, 10.03 million viewers.

19. (25) "Oprah's Big Give," ABC, 9.81 million viewers.

20. (16) "CSI: Miami," CBS, 9.64 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.

Copyright 2008 The Associated Press.