For viewers 18 to 49 years old:
1. “Heroes” (NBC) 5.5/13
2. “Dancing with the Stars” (8-10) (ABC) 5.2/13
3. “CSI: Miami” (CBS) 4.6/11
4. “Two and a Half Men” (CBS) 4.6/11
5. “The Rules of Engagement” (CBS) 3.9/9
6. “The Bachelor” (ABC) 3.6/9
7. “The Big Bang Theory” (CBS) 3.4/8
8. “Journeyman” (NBC) 3.3/8
9. “Chuck” (NBC) 3.1/8
10. “Prison Break” (FOX) 3.1/8
11. “How I Met Your Mother” (CBS) 3.0/8
12. “K-Ville” (FOX) 2.0/5
13. “The Game” (Season Premiere) (CW) 1.4/3
14. “Girlfriends” (Season Premiere) (CW) 1.2/3
15. “Everybody Hates Chris” (Season Premiere) (CW) 1.0/3
16. “Aliens in America” (Series Premiere) (CW) 0.8/2