TV Big Brother - Season 27 Episode 31 : Episode 31 Big Brother - Season 27 Episode 31 : Episode 31 4.908/10 by 260 users Following a live vote, a Houseguest is evicted and interviewed. The remaining Houseguests then compete to become the next Head of Household. Details Casts Posters Images Title Big Brother - Season 27 Episode 31 : Episode 31 Alternative Titles Big Brother USA, Big Brother US, Big Brother: Unlocked First Air Date 2000-07-05 Last Air Date 2025-09-28 Number of Episodes 973 Number of Seasons 27 Genres Reality, Networks CBS, Casts Julie Chen, Clayton Halsey Plot Keywords , Self - Host Julie Chen Announcer (voice) Clayton Halsey Episodes List Big Brother Season 27 :Episode 1 Episode 1 Episode 1 2025-07-10 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... Big Brother Season 27 :Episode 2 Episode 2 Episode 2 2025-07-13 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... Big Brother Season 27 :Episode 3 Episode 3 Episode 3 2025-07-16 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... Big Brother Season 27 :Episode 4 Episode 4 Episode 4 2025-07-17 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... Big Brother Season 27 :Episode 5 Episode 5 Episode 5 2025-07-20 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... Big Brother Season 27 :Episode 6 Episode 6 Episode 6 2025-07-23 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... Big Brother Season 27 :Episode 7 Episode 7 Episode 7 2025-07-24 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... Big Brother Season 27 :Episode 8 Big Brother: Unlocked 7/25/25 Big Brother: Unlocked 7/25/25 2025-07-25 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... Big Brother Season 27 :Episode 9 Episode 9 Episode 9 2025-07-27 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... Big Brother Season 27 :Episode 10 Episode 10 Episode 10 2025-07-30 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... Big Brother Season 27 :Episode 11 Episode 11 Episode 11 2025-07-31 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... Big Brother Season 27 :Episode 12 Episode 12 Episode 12 2025-08-03 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... Big Brother Season 27 :Episode 13 Episode 13 Episode 13 2025-08-06 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... Big Brother Season 27 :Episode 14 Episode 14 Episode 14 2025-08-07 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... Big Brother Season 27 :Episode 15 Big Brother: Unlocked 8/8/25 Big Brother: Unlocked 8/8/25 2025-08-08 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... Big Brother Season 27 :Episode 16 Episode 16 Episode 16 2025-08-10 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... Big Brother Season 27 :Episode 17 Episode 17 Episode 17 2025-08-13 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... Big Brother Season 27 :Episode 18 Episode 18 Episode 18 2025-08-14 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... Big Brother Season 27 :Episode 19 Episode 19 Episode 19 2025-08-17 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... Big Brother Season 27 :Episode 20 Episode 20 Episode 20 2025-08-20 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... Big Brother Season 27 :Episode 21 Episode 21 Episode 21 2025-08-21 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... Big Brother Season 27 :Episode 22 Episode 22 Episode 22 2025-08-24 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... Big Brother Season 27 :Episode 23 Episode 23 Episode 23 2025-08-27 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... Big Brother Season 27 :Episode 24 Episode 24 Episode 24 2025-08-28 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... Big Brother Season 27 :Episode 25 Episode 25 Episode 25 2025-08-31 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... Big Brother Season 27 :Episode 26 Episode 26 Episode 26 2025-09-03 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... Big Brother Season 27 :Episode 27 Episode 27 Episode 27 2025-09-04 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... Big Brother Season 27 :Episode 28 Big Brother: Unlocked 9/5/25 Big Brother: Unlocked 9/5/25 2025-09-05 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... Big Brother Season 27 :Episode 29 Episode 29 Episode 29 2025-09-09 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... Big Brother Season 27 :Episode 30 Episode 30 Episode 30 2025-09-10 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... Big Brother Season 27 :Episode 31 Episode 31 Episode 31 2025-09-11 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... Big Brother Season 27 :Episode 32 Episode 32 Episode 32 2025-09-17 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... Big Brother Season 27 :Episode 33 Episode 33 Episode 33 2025-09-18 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... Big Brother Season 27 :Episode 34 Big Brother: Unlocked 9/19/25 Big Brother: Unlocked 9/19/25 2025-09-19 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... Big Brother Season 27 :Episode 35 Episode 35 Episode 35 2025-09-21 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... Big Brother Season 27 :Episode 36 Episode 36 Episode 36 2025-09-24 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... Big Brother Season 27 :Episode 37 Episode 37 Episode 37 2025-09-25 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... Big Brother Season 27 :Episode 38 Episode 38 Episode 38 2025-09-26 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... Big Brother Season 27 :Episode 39 Episode 39 Episode 39 2025-09-28 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...