Fast National ratings for Sunday, Feb. 17, 2008

ABC grabbed the biggest audience on Sunday night, but NBC's updating of "Knight Rider" helped the Peacock to a demographic victory.

For the night, ABC averaged a 6.6 rating/11 share to snag the top spot. CBS finished second in households at 5.9/9, but NBC, 5.4/9, had more total viewers (a shade over 10 million, to CBS' 9.22 million). FOX, 4.3/7, came in fourth, while The CW was barely a blip at 0.6/1.

NBC scored a 4.0 rating among adults 18-49 to take the top spot in the advertisers favorite demographic. ABC wasn't far behind at 3.7. FOX, 3.2, took third, followed by CBS, 2.1, and The CW, which drew a puny 0.3.

CBS led at 7 p.m. with "60 Minutes," 8.1/12. "America's Funniest Home Videos," 5.0/8, put ABC in second, just ahead of FOX's coverage of the Daytona 500 and a "King of The Hill" rerun, which averaged 4.9/8. The finale of "American Gladiators" on NBC managed only a 3.2/5 in finishing fourth. The CW aired "CW Now" and an "Everybody Hates Chris" rerun.

"Extreme Makeover: Home Edition," 7.3/11, moved ABC into the lead at 8 p.m. "American Gladiators" improved to 4.3/7 to move NBC into second. CBS' "Big Brother 9," 4.1/6, tied for third in households with "The Simpsons" and "King of the Hill" on FOX, with FOX drawing more viewers. A second "Chris" and "Aliens in America" brought up the rear for The CW.

"EM: Home Edition" jumped up to 8.4/13 at 9 p.m., keeping ABC on top. NBC's "Knight Rider" movie/back-door pilot scored a 6.9/10 to take second, beating "Cold Case," 6.1/9, on CBS. "Family Guy," 4.3/6, and "American Dad," 3.3/5, were fourth for FOX. The CW finished its night with reruns of "Girlfriends" and "The Game."

At 10 p.m., "Knight Rider" delivered a 7.3/12 (and a healthy 5.1 adults 18-49 rating) for NBC. ABC's "Brothers & Sisters" posted a 5.7/9, while the debut of a cleaned-up "Dexter" on CBS earned a 5.2/9.

Ratings information is taken from fast national data, which includes live and same-day DVR viewing. All numbers are preliminary and subject to change.