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‘Big Brother’ Season 27 Release Schedule—When Do New Episodes Drop?

Why This Matters

"Big Brother" Season 27 is finally here, but when do new episodes come out on CBS and Paramount+? Here’s the full release schedule so you don’t miss a second of the drama.

July 11, 2025
09:49 AM
7 min read
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Hollywood & Entertainment‘Big Brother’ Season 27 Release Schedule—When Do New Episodes Drop. ByMonica Mercuri, Contributor. Forbes contributors publish independent expert analyses and insights.

Monica is an entertainment reporter covering TV, film, and music.

AuthorJul 11, 2025, 09:49am EDTJul 11, 2025, 10:47am EDT"Season 27 Houseguests Move-In Date" — Coverage of the CBS Original Series BIG BROTHER, scheduled to. More air on the CBS Television Network.

Pictured: Jimmy Heagerty, Vince Panaro, Mickey Lee, Katherine Woodman, Isaiah ‘Zae’ Frederich, Ava Peal Morgan Pope and Cliffton ‘Will’ Williams. Photo: Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc.

All Rights Reserved. CBS Get ready for another wild summer because Big Brother Season 27 is officially underway.

With the surprise arrival of a series legend during the premiere, the 25th‑anniversary season is shaping up to be more exciting than ever.

Keep reading for the 2025 release schedule, how to watch new episodes and more.

Hosted by Julie Chen Moonves, Big Brother is CBS’s long-running reality competition series that s a group of people living together with no access to the outside world.

The house is equipped with more than 100 HD cameras and microphones, recording the contestants’ every move 24/7.

Each week, one houseguest is voted out, and the last one standing is awarded the massive $750,000 grand prize. ForbesWho’s In The ‘Big Brother’ Season 27 Cast.

Meet The HouseguestsBy Monica Mercuri This year’s theme is Big Brother: A Summer of Mystery, and the house has been transformed into the Hotel Mystère, complete with hidden passageways, a secret wine cellar, a Victorian conservatory lounge and a poison bar.

Season 27 also includes a "masked visitor, a secret accomplice and the shocking arrival of a 'Mystery Houseguest’ whose identity will remain under wraps … at least for now,” according to Paramount.

On July 10, seventeen contestants entered the house in hopes of winning the hefty sum of cash.

This season’s cast includes a fessional bull rider, event curator, marketing manager, AI consultant, aura painter, attorney and a dungeon master.

Season 13 winner Rachel Reilly also checked in as the 17th houseguest during the premiere. Here’s everything you need to know watching Big Brother Season 27 so you don’t miss a single episode.

MORE FOR YOU When Do New Episodes Of Big Brother Season 27 Come Out. "Season 27 Houseguests Move-In Date" — Coverage of the CBS Original Series BIG BROTHER, scheduled to.

More air on the CBS Television Network. Pictured: Julie Chen Moonves. Photo: Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

CBS New hour-long episodes of Big Brother will air on Sundays and Thursdays, with 90-minute episodes on Wednesdays, all starting at 8 p.

The show will also airing Big Brother: Unlocked every other Friday beginning July 25, airing from 8 to 9 p. What Is The Big Brother Season 27 Release Schedule.

"Season 27 Houseguests Move-In Date" — Coverage of the CBS Original Series BIG BROTHER, scheduled to. More air on the CBS Television Network.

Pictured: Rylie Jeffries, Vince Panaro, Amy Bingham, Ava Pearl, Lauren Domingue, Mickey Lee, Zach Cornell and Adrian Rocha. Photo: Sonja Flemming/CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved.

CBS New episodes of Big Brother will air on Thursdays, Sundays and Wednesdays. Here’s the the release schedule for the main show so far: Thursdays at 8 p.

ET/PT July 10 (90‑minute premiere) July 17, 24, 31 (60 minute episodes) August 7, 14, 21, 28 (60 minute episodes) September 4, 11, 18, 27 (60 minute episodes) October TBA Sundays at 8 p.

ET/PT July 13 (90‑minute Sunday premiere) July 20, 27 (60 minute episodes) August 3, 20, 17, 24, 31 (60 minute episodes) September 7, 14, 21, 28 (60 minute episodes) October TBA Wednesdays at 8 p.

ET/PT Starting July 16 (90 minute episodes) July 23, 30 (90 minute episodes) August 6, 13, 20, 27 (90 minute episodes) September 3, 10, 17, 24 (90 minute episodes) October TBA It’s too early to know when the season 27 finale will air, but it will ly take place in early to mid-October.

Last year’s season lasted 90 days, while Season 25 in 2023 ran a record-setting 100 days. What Is Big Brother: Unlocked And When Will It Air.

BIG BROTHER Thrusday July 10, on the CBS Television Network and ing on Paramount+ ( and.

More on-demand for Paramount+ with SHOWTIME rs, or on-demand for Paramount+ Essential rs the day after the episode airs)* Pictured: Cliffton ‘Will’ Williams, Keanu Soto, Vince Panaro, Zach Cornell, Adrian Rocha, Mickey Lee, Katherine Woodman, Amy Bingham, Jimmy Heagerty, Kelley Jorgensen, Lauren Domingue, Ashley Hollis, Morgan Pope, Isaiah ‘Zae’ Frederich, Rylie Jeffries and Ava Pearl.

Photo: CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved. Highest quality screengrab available.

CBS For the first time, the series will be airing a weekly segment Big Brother: Unlocked, which will feature “never-before-seen broadcast footage from the house, exclusive interviews, surprise guest appearances and unprecedented behind-the-scenes access,” according to CBS.

Big Brother: Unlocked will be released every other Friday at 8 p. ET/PT on CBS and will also on Paramount+.

Here are the scheduled air dates: Friday, July 25 Friday, August 8 Friday, August 22 Friday, September 5 Friday, September 19 Friday, September 26 How To Watch Big Brother Season 27 On CableBIG BROTHER Thrusday July 10, on the CBS Television Network and ing on Paramount+ ( and.

More on-demand for Paramount+ with SHOWTIME rs, or on-demand for Paramount+ Essential rs the day after the episode airs)* Pictured: Rachel Reilly. Photo: CBS ©2025 CBS Broadcasting, Inc.

All Rights Reserved. Highest quality screengrab available. CBS Big Brother Season 27 will air on CBS.

Cord-cutters can watch Big Brother on a TV ing services that carries the network, including DirecTV, fuboTV and Hulu+ TV.

All three sites offer free trials, so you can watch a portion of the new season for free.

How To Watch Big Brother Season 27 On ingBIG BROTHER 27 Wednesday July 10, on the CBS Television Network and ing on Paramount+ (.

More and on-demand for Paramount+ with SHOWTIME rs, or on-demand for Paramount+ Essential rs the day after the episode airs)* Pictured: Morgan Pope, Adrian Rocha and Ava Pearl.

Photo: CBS ©2025 CBS Broadcasting, Inc. All Rights Reserved. Highest quality screengrab available. CBS New episodes of Big Brother Season 27 will also be available to and on demand on Paramount+.

Paramount+ Premium rs can through their local CBS affiliate and watch episodes on demand. Meanwhile, Paramount+ Essential rs won’t have access but can episodes the day after they air, according to CBS.

How To Watch The Big Brother Season 27 s‘Mystery Hotel Theme’ Set Plates of the Big Brother House for season 27 of the CBS Original Series.

More BIG BROTHER, scheduled to air on the CBS Television Network.

Pictured: Attic Bedroom of Oddities: Beds made from wooden crates, rubber masks on the walls and haunted artifacts a black knight’s helmet and diving suit make this room a spooky treasure trove.

Photo: Matthew Taplinger ©2025 CBS Broadcasting, Inc. All Rights Reserved. CBS Once Season 27 begins, the Big Brother s will be available on Paramount+.

Visit the Big Brother show page and select “ s” to start watching footage from inside the house as soon as it becomes available. Watch the Big Brother Season 27 premiere teaser below.

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