Here are the weekly TV ratings, by number of viewers.1. CSI (CBS) 2. Dancing with the Stars - Mon (ABC) 3. Grey's Anatomy (ABC) 4. Sunday Night Football (NBC) 5. Desperate Housewives (ABC) 6. House (FOX) 7. NCIS (CBS) 8. Dancing with the Stars - Tues (ABC) 9. CSI: Miami (CBS) 10. Criminal Minds (CBS) 11. Without A Trace (CBS) 12. Survivor (CBS) 13. Two and a Half Men (CBS) 14. Pushing Daisies (ABC) 15. Cold Case (CBS) 16. CSI: NY (CBS) 17. Private Practice (ABC) 18. Heroes (NBC) 19. Brothers & Sisters (ABC) 20. Extreme Makeover (ABC)