When did Big Brother Season 21 Episode 1 air?
Big Brother Season 21 Episode 1 aired on June 25, 2019.


Expect the unexpected.
American version of the reality game show which follows a group of HouseGuests living together 24 hours a day in the "Big Brother" house, isolated from the outside world but under constant surveillance with no privacy for three months.

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.
Direct answers for episode-level questions and details.
Big Brother Season 21 Episode 1 aired on June 25, 2019.
This episode runs for approximately 45 minutes.
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