Preliminary Ratings: Friday 07/21/2017

A special Friday edition of BIG BROTHER allows CBS to compete with NBC for the top spot on Friday night. The reality series was the #1 program of the night, with 5.4 million viewers and a 1.4 rating in Adults 18-49, down from its season average. The only real difference between CBS and BC was NBC edge in the A18-34 demographic.

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