The Nielsens: 'Dancing' steps on 'Idol's' toes

The seesaw battle between "Dancing With the Stars" and "American Idol" continued last week as the ABC show narrowly topped the Nielsen ratings. Here are the top 10 prime-time network programs for the week ending Sunday, according to Nielsen Media Research. Programs are ranked by millions of viewers.

1. DANCING WITH THE STARS, ABC, 19.04 million

2. AMERICAN IDOL - WEDNESDAY, Fox, 19.00

3. AMERICAN IDOL - TUESDAY, Fox, 18.6

4. NCIS, CBS, 15.9

5. NCIS: LOS ANGELES, CBS, 15.3

6. GREY'S ANATOMY, ABC, 15.24

7. THE MENTALIST, CBS, 15.22

8. THE BIG BANG THEORY, CBS, 15.02

9. CSI, CBS, 14.3

10. LOST: THE END, ABC, 13.5