Preliminary Ratings: Tuesday 02/14/2017

CBS and NBC split leadership on Valentine's Day, with NBC excelling in Adults 18-34 and 18-49, while CBS drew the most viewers and tied NBC in the A25-54 demographic. NBC's Tuesday line up was a little less powerful, as THIS IS US pulled is lowest ratings since November, drawing just 9.0 million viewers and a 2.4 rating in Adults 18-49. CHICAGO FIRE was flat from last week's numbers.

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