S21, E1: BIG BROTHER brings the great outdoors to the Houseguests as they embark on their journey living in a house inspired by summer camp in Season 21. And, this season will feature a first-of-Its kind twist that will force houseguests to rethink how they play the game! This season’s cast includes a wine safari guide, a preschool aide, a Broadway performer, a petroleum engineer and a therapist, among others.