Sonja Flemming/CBS Big Brotherseason 27 premiered July 10 on CBS The new season airs three times a week, including a weekly supersized 90-minute episode The theme forBig Brotherseason 27 is "A Summer of Mystery" Houseguests have checked intoBig Brotherseason 27's Hotel Mystère — and fans are already watching their every move. The long-running CBS reality competition series is back for another season filled with twists and turns, like the "mystery Houseguest" who was unmasked during the premiere. In July 2025, hostJulie Chen Moonvestold PEOPLE that the new season is "spooky," with the contestants living in aClue-esque house. ForBig Brotherfans who can't get enough, there is plenty to watch this summer. Not only is the series on three times a week — with Wednesday episodes being a supersized 90 minutes — but there are also live feeds and a new companion series,Big Brother: Unlocked. The bonus show will air every other Friday, starting July 25. According a CBSpress release, it will have threeBig Brotherall-stars "offer never-before-seen broadcast footage from the house, exclusive interviews, surprise guest appearances and unprecedented behind-the-scenes access." With so much happening in the house, how can fans watchBig Brother? Here's everything to know aboutBig Brotherseason 27's episode release schedule. CBS Big Brotherseason 27 premiered on July 10 with a 90-minute episode. During the premiere, season 13 winnerRachel Reillywas unmasked as the "mystery Houseguest" who would be joining the contestants in Hotel Mystère. In July 2025, Chen Moonves toldEntertainment Weeklythat "people should be afraid of [Reilly] and of getting in her crosshairs." CBS Big Brotherairs on Wednesdays, Thursdays and Sundays at 8 p.m. ET/PT. Thursday and Sunday episodes are 60 minutes long, while Wednesday episodes will clock in at 90 minutes. Beginning July 25, the companion seriesBig Brother: Unlockedwill give viewers exclusive behind-the-scenes access to the game. According to the announcement, it will feature three all-star players who will "share firsthand insight and expertise as they analyze gameplay, assess the competition and give their insider's perspective." Big Brother: Unlockedwill air every other Friday on CBS. CBS Starting July 20, the schedule for the season will be: 90-minute episodes on Wednesdays at 8 p.m. ET/PT, including July 23, July 30, Aug. 6, Aug. 13, Aug. 20, Aug. 27, Sept. 3, Sept. 10, Sept. 17 and Sept. 24 60-minute episodes on Thursdays at 8 p.m. ET/PT, including July 24, July 31, Aug. 7, Aug. 14, Aug. 21, Aug. 28, Sept. 4, Sept. 11, Sept. 18 and Sept. 25 60-minute episodes on Sundays at 8 p.m. ET/PT, including July 20, July 27, Aug. 3, Aug. 10, Aug. 17, Aug. 24, Aug. 31, Sept. 7, Sept. 14, Sept. 21 and Sept. 28 CBS Yes, the live feeds are back forBig Brotherseason 27. There are four separate live feeds, plus a "quad view" where viewers can watch all four at once. They are available to stream onParamount+andPluto TV. This season, the series removed the "Live Chat" feature, where fans could discuss the live feeds as they watched. "We've made some changes to the Big Brother Live Feeds based on subscriber feedback and engagement," ahelp pagefor the series reads. "At this time, the Chat function in the Live Feeds player is unavailable." Sonja Flemming/CBS The finale ofBig Brotherseason 27 will air on Sept. 28 at 8:30 p.m. ET, perParade. The winner ofBig Brotherwill walk away with a grand prize of $750,000. This means that the season will run for 83 days in total, compared to season 26's 90 days. Sonja Flemming/CBS Big Brotherairs on CBS and is available to stream onParamount+. Read the original article onPeople
