When did Big Brother Season 27 Episode 4 air?
Big Brother Season 27 Episode 4 aired on July 17, 2025.


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 inaugural BB Block Buster! Who will win their way off the Chopping Block? Will it be Amy, Zae, or Kelley who becomes the first evicted? Plus, the Queen of Quarrels goes toe-to-toe with Zae.
Direct answers for episode-level questions and details.
Big Brother Season 27 Episode 4 aired on July 17, 2025.
This episode runs for approximately 44 minutes.
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