Prime-time viewership numbers compiled by Nielsen for April 27-May 3. Listings include the week's ranking and viewership.

1. "NCIS,"CBS, 14.9 million.

2. "NCIS: New Orleans," CBS, 14.6 million.

3. "The Big Bang Theory," CBS, 13.9 million.

4. "Dancing with the Stars," ABC, 13.2 million.

5. "Blue Bloods," CBS, 11.3 million.

6. "The Voice" (Monday), NBC, 10.5 million.

7. "Dancing With the Stars: 10th Anniversary Show," ABC, 10.1 million.

8. "Madam Secretary," CBS, 9.7 million.

9. "The Voice" (Tuesday), NBC, 9.5 million.

10. "Law & Order: SVU," NBC, 9.3 million.

11. "Survivor," CBS, 9.3 million.

12. "The Odd Couple," CBS, 9.2 million.

13. "Mom," CBS, 8.8 million.

14. "Grey's Anatomy," ABC, 8.74 million.

15. "Criminal Minds," CBS, 8.72 million.

16. "60 Minutes," CBS, 8.68 million.

17. "Hawaii Five-O," CBS, 8.60 million.

18. "Person of Interest," CBS, 8.5 million.

19. "The Good Wife," CBS, 8.4 million.

20. "Castle," ABC, 8.3 million.

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ABC is owned by The Walt Disney Co.; CBS is a division of CBS Corp.; Fox is owned by 21st Century Fox; NBC is owned by NBC Universal.