Prime-time viewership numbers compiled by Nielsen for Feb. 19-25. Listings include the week's ranking and viewership.

1. Winter Olympics (Tuesday), NBC, 17.53 million.

2. Winter Olympics (Monday), NBC, 16.37 million.

3. Winter Olympics (Thursday), NBC, 15.24 million.

4. Winter Olympics Closing Ceremony, NBC, 14.78 million.

5. Winter Olympics (Wednesday), NBC, 14.17 million.

6. Winter Olympics (Friday), NBC, 12.9 million.

7. Winter Olympics (Saturday, 9-10 p.m.), NBC, 11.69 million.

8. Winter Olympics Gala (Saturday, 10-11 p.m.), NBC, 10.85 million.

9. "60 Minutes," CBS, 8.33 million.

10. "The Walking Dead," AMC, 8.28 million.

11. "The Big Bang Theory" (Thursday, 8 p.m.), CBS, 7.91 million.

12. "NCIS," CBS, 7.2 million.

13. "Young Sheldon," CBS, 7.04 million.

14. "Pyeongchang Gold," NBC, 6.98 million.

15. "The Big Bang Theory" (Thursday, 9 p.m.), CBS, 6.36 million.

16. "The Bachelor," ABC, 6.29 million.

17. "A.P. Bio," NBC, 5.89 million.

18. "Big Brother" (Wednesday), CBS, 5.54 million.

19. "Bull," CBS, 5.48 million.

20. "NCIS: New Orleans," CBS, 5.31 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.