Bragging rights to ABC and CBS

“The Mentalist” and “CSI” drew big audiences for CBS, which had the most viewers on Thursday, but ABC, powered by “Grey’s Anatomy,” edged CBS in the 18-49 demo.

Thursday Overnight Nielsen ratings Ratings/Share Adults 18-49 3.7/10 3.5/9 2.4/7 2.4/7 2.1/6 1.6/4 Adults 18-34 3.5/10 2.2/7 2.7/8 2.5/7 1.7/5 1.9/5 Total Viewers (millions) 10.426 14.404 5.617 5.650 6.707 3.460

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