Prime-time viewership numbers compiled by Nielsen for Feb. 18-24. Listings include the week's ranking and viewership.

1. "The Oscars," ABC, 40.38 million.

2. "Oscars Red Carpet Live" (Sunday, 8 p.m.), ABC, 25.53 million.

3. "NCIS," CBS, 21.08 million.

4. "The Big Bang Theory," CBS, 17.62 million.

5. "Oscars Red Carpet Live" (Sunday, 7:30 p.m.), ABC, 16.5 million.

6. "NCIS: Los Angeles," CBS, 16.27 million.

7. "American Idol" (Wednesday), Fox, 14.37 million.

8. "Person of Interest," CBS, 14.23 million.

9. "American Idol" (Thursday), Fox, 13.66 million.

10. "Two and a Half Men," CBS, 13.41 million.

11. "Oscars Red Carpet Live" (Sunday, 7 p.m.), ABC, 12.44 million.

12. "Blue Bloods," CBS, 11.21 million.

13. "Elementary," CBS, 11.19 million.

14. "Criminal Minds," CBS, 10.69 million.

15. "CSI: Crime Scene Investigation," CBS, 10.65 million.

16. "Modern Family," ABC, 10.62 million.

17. "Mike & Molly," CBS, 10.33 million.

18. "2 Broke Girls," CBS, 10.25 million.

19. "Castle," ABC, 9.85 million.

20. "Vegas," CBS, 9.52 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.