Fast National ratings for Sunday, April 5, 2009.

The Academy of Country Music Awards (or the ACMs) brought a big audience to CBS on Sunday night. [Check out HitFix's complete minute-by-minute recap of the awards and the red carpet.]

CBS easily won the 18-49 demographic, doing a 3.3 rating. FOX was second in the key demo, followed by the 2.0 for NBC and the 1.8 rating for ABC. The CW's 0.4 rating trailed.

Overall, CBS averaged an estimated 14.1 million viewers to go with an 8.6 rating/14 share. NBC was a distant second with a 3.8/6, followed by ABC's 3.7/6 and FOX's 3.0/5. The CW's 0.7/1 was good for last.

CBS swept the primetime hours starting at 7 p.m. with a 7.8/14 for "60 Minutes." ABC's "America's Funniest Home Videos" was second with a 4.0/7 and won the hour in the 18-49 demo. "Dateline NBC" took third, beating a pair of animation repeats on FOX. The CW's "Jericho" repeat was fifth with a 0.5/1.

At 8 p.m. the start of the ACMs gave CBS an 8.5/14. ABC was second with a repeat of "Extreme Makeover: Home Edition." FOX's new "Simpsons" and a "Family Guy" repeat were third with a 3.6/6, beating the 2.5/4 for "Kings" on NBC. The CW's random-movie-of-the-week was "Rocky III," which had a 0.7/1 for fifth.

The ACMs improved to a 9.1/14 for CBS in the 9 p.m. hour. NBC grabbed second with a 4.1/6 for "Celebrity Apprentice." An old "Desperate Housewives" had a 3.8/6 for ABC. FOX's repeats of "Family Guy" and "The Simpsons" were fourth, many times better than "Rocky III."

CBS' awards show closed with an 8.8/15 in the 10 p.m. hour. NBC's "Celebrity Apprentice" improved to a 5.3/9 for second, more than doubling up ABC's repeat of "Brothers & Sisters."

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