Nielsen’s top programs for April 30-May 6

Prime-time viewership numbers compiled by the Nielsen Co. for April 30-May 6. Listings include the week’s ranking and viewership.

1. “NCIS,” CBS, 17.58 million.

2. “American Idol” (Wednesday), Fox, 16.66 million.

3. “Dancing With the Stars,” ABC, 16.2 million.

4. “American Idol” (Thursday), Fox, 15.56 million.

5. “NCIS: Los Angeles,” CBS, 15.21 million.

6. “The Big Bang Theory,” CBS, 13.91 million.

7. “Dancing With the Stars Results,” ABC, 13.87 million.

8. “Person of Interest,” CBS, 13.27 million.

9. “The Mentalist,” CBS, 12.94 million.

10. “60 Minutes,” CBS, 11.73 million.

11. “Criminal Minds,” CBS, 11.47 million.

12. “Two and a Half Men,” CBS, 11.32 million.

13. “Castle,” ABC, 11.08 million.

14. “Hawaii Five-0,” CBS, 10.91 million.

15. “Unforgettable,” CBS, 10.66 million.

16. “Blue Bloods,” CBS, 10.36 million.

17. “Mike & Molly,” CBS, 10.16 million.

18. “Modern Family,” ABC, 10.06 million.

19. “CSI: Crime Scene Investigation,” CBS, 9.75 million.

20. “The Voice,” NBC, 9.52 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 NBC Universal.