A list of the top 20 prime-time programs in the Nielsen ratings for Feb. 17-23

1. Winter Olympics (Monday), NBC, 23.55 million.

2. Winter Olympics (Thursday), NBC, 20.29 million.

3. Winter Olympics (Wednesday), NBC, 20.19 million.

4. Winter Olympics (Tuesday), NBC, 18.93 million.

5. Winter Olympics Closing Ceremonies, NBC, 15.18 million.

6. Winter Olympics (Friday), NBC, 14.93 million.

7. Winter Olympics (Saturday), NBC, 13.28 million.

8. “The Walking Dead,” AMC, 13.12 million.

9. “Sochi Gold” (Sunday), NBC, 12.72 million.

10. “The Big Bang Theory,” CBS, 10.16 million.

11. “Criminal Minds,” CBS, 10.06 million.

12. “American Idol” (Wednesday), Fox, 9.95 million.

13. “NCIS,” CBS, 9.90 million.

14. “CSI,” CBS, 9.77 million.

15. “American Idol” (Tuesday), Fox, 9.73 million.

16. “American Idol” (Thursday), Fox, 9.36 million.

17. “60 Minutes,” CBS, 8.99 million.

18. “Growing Up Fisher,” NBC, 8.86 million.

19. “NCIS: Los Angeles,” CBS, 7.93 million.

20. “Castle,” ABC, 7.75 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 Comcast Corp.; AMC is owned by AMC Networks.