Nielsen's top programs for April 16-22

Prime-time viewership numbers compiled by Nielsen for April 16-22. Listings include the week's ranking and viewership.

1. "NCIS," CBS, 18.08 million.

2. "American Idol" (Wednesday), Fox, 16.9 million.

3. "Dancing With the Stars," ABC, 16.65 million.

4. "American Idol" (Thursday), Fox, 14.99 million.

5. "Dancing With the Stars Results," ABC, 14.17 million.

6. "60 Minutes," CBS, 12.96 million.

7. "Castle," ABC, 11.23 million.

8. "Two and a Half Men," CBS, 11.22 million.

9. "NCIS: Los Angeles," CBS, 11.17 million.

10. "The Good Wife," CBS, 10.42 million.

11. "Modern Family," ABC, 10.22 million.

12. "The Voice," NBC, 10.03 million.

13. "Grey's Anatomy," ABC, 9.83 million.

14. "Survivor: One World," CBS, 9.69 million.

15. "Mike & Molly," CBS, 9.54 million.

16. "The Big Bang Theory," CBS, 9.29 million.

17. "The Amazing Race 20," CBS, 9.14 million.

18. "Once Upon a Time," ABC, 9.08 million.

19. "The Voice Results Show," NBC, 8.86 million.

20. "Person of Interest," CBS, 8.81 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.