List of top 20 shows in prime-time Nielsen ratings (AP)

Prime-time viewership numbers compiled by Nielsen Media Research for Sept. 29-Oct. 5. 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) "Dancing with the Stars," ABC, 18.88 million viewers.

2. (4) "NCIS," CBS, 17.47 million viewers.

3. (11) "60 Minutes," CBS, 16.65 million viewers.

4. (5) "Desperate Housewives," ABC, 15.68 million viewers.

5. (9) "Dancing with the Stars Results," ABC, 15.49 million viewers.

6. (7) "The Mentalist," CBS, 15.48 million viewers.

7. (10) "CSI: NY," CBS, 14.89 million viewers.

8. (6) "Criminal Minds," CBS, 14.78 million viewers.

9. (7) "CSI: Miami," CBS, 14.35 million viewers.

10. (3) "NBC Sunday Night Football: Pittsburgh vs. Jacksonville," NBC, 14.21 million viewers.

11. (12) "Two and a Half Men," CBS, 13.58 million viewers.

12. (14) "Survivor: Gabon," CBS, 13.08 million viewers.

13. (13) "House," Fox, 12.98 million viewers.

14. (X) "America's Got Talent" (Wednesday), NBC, 12.69 million viewers.

15. (16) "Without a Trace," CBS, 12.61 million viewers.

16. (16) "Extreme Makeover: Home Edition," ABC, 11.83 million viewers.

17. (18) "Cold Case," CBS, 11.1 million viewers.

18. (20) "Amazing Race 13," CBS, 11 million viewers.

19. (22) "Law & Order: SVU," NBC, 10.39 million viewers.

20. (18) "Brothers & Sisters," ABC, 10.33 million viewers.

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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.