One week after one of the closest spring Tuesday ratings races in some time, "American Idol" began the performance portion of its show and, thanks to a two-hour running time, FOX dominated the night.
FOX averaged a 9.5 rating in the key 18-49 demo, far ahead of the 3.6 rating for NBC or CBS' 3.4 rating. ABC was third with a 1.5 rating and The CW's 0.4 rating trailed.
Overall, FOX averaged an estimated 25.1 million viewers to go with a 14.3 rating/21 share. CBS was a competitive second with a 10.2/16. NBC was well back in third with a 5.9/9. ABC's 2.9/4 and the 0.7/1 for The CW trailed.
FOX began in first with a 14.0/21 for the start of the "American Idol" Top 36 Group One performance night. CBS' "NSIC" finished season with a solid 11.1/17. NBC's "Biggest Loser: Couples" finished third, beating "Homeland Security, USA" on ABC. The CW's "90210" repeat was fifth with a 0.8/1.
"American Idol" improved to a 14.6/22 at 9 p.m. beating the 11.4/17 for "The Mentalist" on CBS. NBC's "The Biggest Loser: Couples" was third with a 6.1/9 (and second in the 18-49 demo). ABC's "Scrubs" repeats and The CW's "Privileged" repeat trailed.
CBS moved into first at 10 p.m. with an 8.0/13 for "Without a Trace." NBC's "Law & Order: Special Victims Unit" had a 6.5/11 overall and won the hour in the 18-49 demo. ABC's "What Would You Do?" was fifth.
All ratings information comes from preliminary Fast National Nielsen data, which includes live and same-day DVR viewing. All numbers are subject to change.
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