When did Big Brother Season 21 Episode 4 air?
Big Brother Season 21 Episode 4 aired on July 2, 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.

It's the first VETO of the Summer, will it be used to save one of the nominees? Plus, BB20 winner Kaycee returns to surprise the Houseguests. There are also signs of cracks in the Gr8ful alliance.
Direct answers for episode-level questions and details.
Big Brother Season 21 Episode 4 aired on July 2, 2019.
This episode runs for approximately 45 minutes.
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