Nielsen top 20 prime-time programs for Feb. 22-28

Prime-time viewership numbers compiled by the Nielsen Co. for Feb. 22-28. Listings include the week's ranking and viewership.

1. Winter Olympics (Friday), NBC, 24.5 million.

2. "American Idol" (Tuesday), Fox, 24.2 million.

3. "American Idol" (Wednesday), Fox, 23.0 million.

4. Winter Olympics (Thursday), NBC, 22.9 million.

5. Winter Olympics Closing Ceremony, NBC, 21.4 million.

6. Winter Olympics (Tuesday), NBC, 21.3 million.

7. Winter Olympics (Monday), NBC, 20.9 million.

8. Winter Olympics (Saturday), NBC, 20.6 million.

9. Winter Olympics (Wednesday), NBC, 19.8 million.

10. "American Idol" (Thursday), Fox, 18.03 million.

11. "Vancouver Gold," NBC, 17.99 million.

12. "Undercover Boss," CBS, 15.2 million.

13. "Marriage Ref," NBC, 14.5 million.

14. "Survivor: Heroes-Villains," CBS, 11.60 million.

15. "NCIS," CBS, 11.59 million.

16. "The Bachelor," ABC, 11.3 million.

17. "Desperate Housewives," ABC, 10.9 million.

18. "60 Minutes," CBS, 10.8 million.

19. "Two and a Half Men," CBS, 10.3 million.

20. "Amazing Race," CBS, 10.2 million.

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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.