When did Big Brother Season 21 Episode 39 air?
Big Brother Season 21 Episode 39 aired on September 22, 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.

Julie Chen Moonves sits down with last season's final three to hear their thoughts on the upcoming finale. Plus, part one of the final HoH plays out in its entirety.
Direct answers for episode-level questions and details.
Big Brother Season 21 Episode 39 aired on September 22, 2019.
This episode runs for approximately 45 minutes.
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