Prime-time viewership numbers compiled by Nielsen Media Research for April 6-12. 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" (Wednesday), Fox, 22.98 million viewers.
2. (2) "American Idol" (Tuesday), Fox, 22.81 million viewers.
3. (3) "Dancing with the Stars," ABC, 19.88 million viewers.
4. (5) "NCIS," CBS, 17.81 million viewers.
5. (X) NCAA Men's Basketball Championship: Michigan St. vs. North Carolina," CBS, 17.65 million viewers.
6. (7) "The Mentalist," CBS, 16.92 million viewers.
7. (4) "CSI: Crime Scene Investigation," CBS, 16.62 million viewers.
8. (8) "Dancing with the Stars Results," ABC, 14.56 million viewers.
9. (12) "Criminal Minds," CBS, 13.61 million viewers.
10. (18) "House," Fox, 13.29 million viewers.
11. (X) "60 Minutes," CBS, 12.82 million viewers.
12. (16) "CSI: NY," CBS, 12.5 million viewers.
13. (18) "Without a Trace," CBS, 12.15 million viewers.
14. (X) "Prelude to a Championship," CBS, 12.15 million viewers.
15. (22) "Surviving Suburbia," ABC, 11.25 million viewers.
16. (16) "Survivor: Tocantins," CBS, 11.24 million viewers.
17. (20) "24," Fox, 10.96 million viewers.
18. (X) "Amazing Race 14," CBS, 10.57 million viewers.
19. (X) "Cold Case," CBS, 10.56 million viewers.
20. (32) "Harper's Island," CBS, 10.21 million viewers.
