Nielsens: 'American Idol' in top 2 spots

The Wednesday edition of "American Idol" was the most-watched program for the week ending Sunday, according to Nielsen. Here are the top 10 prime-time programs, ranked by millions of viewers.

1. American Idol -- Wednesday, Fox, 18.7 million

2. American Idol -- Thursday, Fox, 17.3

3. The Voice, NBC, 16.8

4. Person of Interest, CBS, 15.7

5. The Big Bang Theory, CBS, 15.0

6. NCIS, CBS, 14.5

7. The Mentalist -- Thursday, CBS, 13.8

8. The Big Bang Theory repeat, CBS, 12.4

9. NCIS: Los Angeles, CBS, 12.1

10. The Mentalist -- Friday, CBS, 11.3