TV Big Brother - Season 27 Episode 19 : Episode 19 Big Brother - Season 27 Episode 19 : Episode 19 4.908/10 by 260 users It's the terrifying Head of Household competition! Who will survive the party slasher and ascend to power, and which three Houseguests will end up on the block? Details Casts Posters Images Title Big Brother - Season 27 Episode 19 : Episode 19 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...