The Republican Presidential Debate on the Fox News Channel topped last week's Nielsen ratings, drawing nearly 12.5 million viewers.
Here's a rundown of the top 20 shows ranked according to primetime viewership numbers compiled by Nielsen for Jan. 25-31. Listings include the week's ranking and viewership.
1. Republican Presidential Debate, Fox News Channel, 12.47 million.
2. "Grease: Live," Fox, 12.21 million.
3. "NCIS," CBS, 11.98 million.
4. "Scorpion," CBS, 10.7 million.
5. "Madam Secretary," CBS, 10.2 million
6. "NCIS: Los Angeles," CBS, 10.06 million.
7. "The X-Files" (Monday), Fox, 9.67 million.
8. "American Idol" (Wednesday), Fox, 9.626 million.
9. "The Big Bang Theory," CBS, 9.625 million.
10. "60 Minutes," CBS, 9.38 million.
11. "Criminal Minds," CBS, 9.25 million.
12. "NCIS: New Orleans," CBS, 9.21 million.
13. "American Idol," (Thursday), Fox, 8.77 million.
14. "Chicago Fire," NBC, 8.46 million.
15. "The Good Wife," CBS, 8.03 million.
16. NFL Football: Pro Bowl, ESPN, 7.99 million.
17. "Supergirl," CBS, 7.9 million.
18. "The Big Bang Theory" (Thursday, 9 p.m.), CBS, 7.83 million.
19. "Blue Bloods," CBS, 7.79 million.
20. "The Bachelor," ABC, 7.73 million.