"Big Brother" topped Thursday

The reality show boosted CBS to the ratings win, while Fox failed to get a boost from having Lady Gaga on “So You Think You can Dance.”

Thursday Overnight Nielsen ratings Ratings/Share Adults 18-49 1.9/6 1.6/5 1.3/4 1.2/4 0.8/3 0.4/1 Adults 18-34 1.4/5 1.4/5 1.2/4 1.3/5 0.6/2 0.4/1 Total Viewers (millions) 6.495 5.506 4.380 3.180 2.546 0.951

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