Easy win for Fox

“American Idol” dominated Tuesday and gave Fox the ratings win, while NBC’s debut of “Parenthood” was only OK.

Tuesday Overnight Nielsen ratings Ratings/Share Adults 18-49 8.6/11 3.3/9 3.1/8 2.5/7 1.4/4 0.3/1 Adults 18-34 7.1/20 2.1/6 2.4/7 2.3/7 1.4/4 0.3/1 Total Viewers (millions) 23.440 15.978 8.181 6.312 3.562 0.693

Click here for more from TV by the Numbers.