Contestant Chris "Mushroom" Barthel and Nicki Minaj Contestant Chris "Mushroom" Barthel and Nicki Minaj

Fox won Thursday, as American Idol gave Glee a big boost.

Idol earned 15.5 million viewers and a 5.1 in the adults 18-to-49 demographic, down five-tenths from last week. Returning from winter hiatus, Glee nabbed 6.9 million viewers and a 2.7, up 35 percent from its most recent episode last month.

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