Prime-time viewership numbers compiled by Nielsen for Dec. 17-23. Listings include the week's ranking and viewership.
1. "NCIS," CBS, 19.59 million.
2. NFL Football: San Francisco at Seattle, NBC, 19.50 million.
3. "NCIS: Los Angeles," CBS, 15.48 million.
4. "The Voice" (Tuesday), NBC, 14.13 million.
5. "Sunday Night NFL Pre-Kick," NBC, 13.67 million.
6. "The Voice" (Monday), NBC, 13.37 million.
7. "The Big Bang Theory," CBS, 10.95 million.
8. "The OT," Fox, 10.94 million.
9. "Mike & Molly," CBS, 10.79 million.
10. "Hawaii Five-0," CBS, 10.54 million.
11. "Football Night in America," NBC, 10.23 million.
12. "2 Broke Girls," CBS, 10.22 million.
13. "Vegas," CBS, 9.82 million.
14. "The X Factor" (Thursday), Fox, 9.66 million.
15. "Person of Interest," CBS, 9.40 million.
16. "60 Minutes Presents," CBS, 8.89 million.
17. "How I Met Your Mother," CBS, 8.70 million.
18. "Two and a Half Men," CBS, 8.67 million.
19. "The X Factor" (Wednesday), Fox, 8.35 million.
20. "A White House Christmas", NBC, 8.29 million.
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CBS is a division of CBS Corp.; Fox is a unit of News Corp.; NBC is owned by NBC Universal.
