This season is the Summer of Mystery as the Houseguests enter the Hotel Mystère, a place where secrets lurk behind every door and nothing is as it seems. This season celebrates the 25-year anniversary of the series as a whole.
27 - 1Episode 1 Jul. 10, 2025
27 - 2Episode 2 Jul. 13, 2025
27 - 3Episode 3 Jul. 16, 2025
27 - 4Episode 4 Jul. 17, 2025
27 - 5Episode 5 Jul. 20, 2025
27 - 6Episode 6 Jul. 23, 2025
27 - 7Episode 7 Jul. 24, 2025
27 - 8Big Brother: Unlocked 7/25/25 Jul. 25, 2025
27 - 9Episode 9 Jul. 27, 2025
27 - 10Episode 10 Jul. 30, 2025
27 - 11Episode 11 Jul. 31, 2025
27 - 12Episode 12 Aug. 03, 2025
27 - 13Episode 13 Aug. 06, 2025
27 - 14Episode 14 Aug. 07, 2025
27 - 15Big Brother: Unlocked 8/8/25 Aug. 08, 2025
27 - 16Episode 16 Aug. 10, 2025
27 - 17Episode 17 Aug. 13, 2025
27 - 18Episode 18 Aug. 14, 2025
27 - 19Episode 19 Aug. 17, 2025
27 - 20Episode 20 Aug. 20, 2025
27 - 21Episode 21 Aug. 21, 2025
27 - 22Episode 22 Aug. 24, 2025
27 - 23Episode 23 Aug. 27, 2025
27 - 24Episode 24 Aug. 28, 2025
27 - 25Episode 25 Aug. 31, 2025
27 - 26Episode 26 Sep. 03, 2025
27 - 27Episode 27 Sep. 04, 2025
27 - 28Big Brother: Unlocked 9/5/25 Sep. 05, 2025
27 - 29Episode 29 Sep. 09, 2025
27 - 30Episode 30 Sep. 10, 2025
27 - 31Episode 31 Sep. 11, 2025
27 - 32Episode 32 Sep. 17, 2025
27 - 33Episode 33 Sep. 18, 2025
27 - 34Big Brother: Unlocked 9/19/25 Sep. 19, 2025
27 - 35Episode 35 Sep. 21, 2025
27 - 36Episode 36 Sep. 24, 2025
27 - 37Episode 37 Sep. 25, 2025
27 - 38Episode 38 Sep. 26, 2025
27 - 39Episode 39 Sep. 28, 2025