When did Big Brother Season 23 Episode 21 air?
Big Brother Season 23 Episode 21 aired on August 25, 2021.


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.

Will the HOHs secret plan come to play? Who will win the power of veto and will it change tonights nominees?
Direct answers for episode-level questions and details.
Big Brother Season 23 Episode 21 aired on August 25, 2021.
This episode runs for approximately 45 minutes.
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