Nielsen ratings: 'American Idol' No. 1 on hit parade again

'American Idol" regained first place over "Dancing With the Stars" in last week's Nielsen race. 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. AMERICAN IDOL - WEDNESDAY, Fox, 21 million

2. AMERICAN IDOL - TUESDAY, Fox, 20.6

3. DANCING WITH THE STARS, ABC, 20.56

4. TWO AND A HALF MEN, CBS, 13.7

5. GLEE, Fox, 13.6

6. DANCING WITH THE STARS RESULTS, ABC, 13.59

7. THE BIG BANG THEORY, CBS, 13.4

8. CSI, CBS, 13.2

9. ACM AWARDS, CBS, 13.0

10. CASTLE, ABC, 12.7