View gallery Image Credit: CBS Big Brother US has been a cultural phenomenon ever since it premiered on CBS in 2000. The hit reality series returns for season 27 on July 10, 2025, for an experience filled with backstabbing, blindsiding and heartaches - oh my! As fans all know, during the finale, another Big Brother winner will be crowned, and they will take home the grand prize of $750,000. The franchise also expanded to three seasons of Celebrity Big Brother that were won by stars including Marissa Jaret Winokur, Tamar Braxton, and Miesha Tate.