The eighth season premiere of BIG BROTHER placed first in its time period in adults 18-49 and adults 24-54, according to preliminary Nielsen Live Plus same-day ratings for Thursday, July 5.

BIG BROTHER 8 THURSDAY (P) premiered with a time period win in adults 25-54 (3.2/10) and adults 18-49 (2.7/09) while placing second in households (4.8/09, -0.1 behind FOX), viewers (7.44m) and adults 18-34 (2.1/09, -0.2 behind FOX). 

Final Thursday ratings will be available this afternoon.