Nielsen's top programs for April 15-21

Prime-time viewership numbers compiled by Nielsen for April 15-21. Listings include the week's ranking and viewership.

1. "NCIS," CBS, 11.89 million.

2. "The Big Bang Theory," CBS, 11.45 million.

3. "Game of Thrones," HBO, 10.29 million.

4. "FBI," CBS, 8.77 million.

5. "60 Minutes," CBS, 8.47 million.

6. "Survivor," CBS, 7.9 million.

7. "The Voice" (Monday), NBC, 7.66 million.

8. "The Voice" (Tuesday), NBC, 7.18 million.

9. "American Idol" (Sunday), ABC, 7.114 million.

10. "America Idol" (Monday), ABC, 7.106 million.

11. "Motown 60: A Grammy Celebration," CBS, 6.86 million.

12. "Life in Pieces," CBS, 6.74 million.

13. "Bull," CBS, 6.66 million.

14. "NCIS: New Orleans," CBS, 6.54 million.

15. "Mom," CBS

16. "Grey's Anatomy," ABC, 6.25 million.

17. "The Neighborhood," CBS, 5.75 million.

18. "Amazing Race," CBS, 5.74 million.

19. "911,' Fox, 5.65 million.

20. "Blue Bloods," CBS, 5.28 million.

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