Fast National ratings for Sunday, Feb. 1, 2009.

This just in: NBC won Sunday night thanks to the Super Bowl. Yes, shocking.

While all numbers are, of course, preliminary, it appears that the figures for Super Bowl XLIII, a classic between the Steelers and Cardinals, were down comfortably from last year's match-up between the Patriots and Giants.

For the night, NBC averaged a 29.9 rating in the key 18-49 demographic. ABC was second with a 1.4 rating, followed by the 1.0 rating for FOX, CBS' 0.8 rating and the 0.2 rating for The CW. 

Overall, NBC averaged an estimated 78.88 million viewers and a 35.0 rating/54 share. CBS was second with a 3.1/5. ABC's 2.4/4 and the 1.5/2 for FOX were next. And, once again, The CW trailed with a 0.4/1.

Primetime began at 7 p.m. with the Super Bowl already in progress, averaging a 40.8/63 for NBC the hour. The 7 p.m. hour featured the game's largest average audience (95 million) and its biggest 18-49 demos (34.8 rating). ABC's "America's Funniest Home Videos" was second with a 2.3/4, followed by the 2.1/3 for a "CBS Reports" special. FOX's "Are You Smarter Than a 5th Grader" was fourth, beating the 0.4/1 for "Jericho" on The CW.

At 8 p.m. NBC's football did a 38.0/57. CBS moved up to second with a 3.2/5 for "Cold Case." ABC's "Wipeout" was third, beating the 1.5/2 for "The Simpsons" and "American Dad" on FOX. The CW's airing of "Throw Momma From the Train" was fifth.

The Super Bowl had a 38.2/56 in the 9 p.m. hour. CBS held second with "The Unit." ABC's "Wipeout" had a 2.2/3 for third, followed closely by FOX's animated comedies. The CW's movie had a 0.5/1 for fifth.

At 10 p.m. NBC stayed on top with the end of the game (31.4/49) and the start of "The Office" (15.0/26). CBS' "The Mentalist" was second with a 4.5/7, while ABC's "Wipeout" had a 2.8/5.

Stay tuned for final ratings later in the day.

All ratings information comes from preliminary Fast National Nielsen data, which includes live and same-day DVR viewing. All numbers are subject to change, especially in the case of live events.