Big Brother 2025 is finally here, and fans are buzzing with anticipation as the iconic reality show marks its 25th anniversary with a brand-new season packed with mystery, drama, and game-changing twists. This year, Big Brother 2025 promises to be the most unpredictable yet, featuring an all-new cast, a jaw-dropping house design, and a schedule that delivers more excitement than ever before.
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Big Brother 2025: Premiere Date, Time, and Episode Schedule
The wait is over! Big Brother 2025 (Season 27) premieres Thursday, July 10, 2025, at 8:00 PM (ET/PT) on CBS with a special 90-minute episode. The excitement doesn’t stop there—another 90-minute episode airs Sunday, July 13, at 8:00 PM. After the premiere week, the show settles into its regular schedule:
- Wednesdays: 90-minute episodes at 8:00 PM (ET/PT)
- Thursdays: 60-minute live eviction episodes at 8:00 PM (ET/PT)
- Sundays: 60-minute episodes at 8:00 PM (ET/PT)
For the first time in the show’s history, Wednesday episodes will run for a full 90 minutes, giving viewers more strategy, competitions, and drama each week. The season’s finale is expected in late September or early October, but the official date remains under wraps.
Key Point Summary
- Big Brother 2025 (Season 27) premieres July 10, 2025, at 8:00 PM ET/PT on CBS.
- Premiere week features two 90-minute episodes.
- Regular schedule: Sundays, Wednesdays, and Thursdays at 8:00 PM, with Wednesdays extended to 90 minutes.
- Julie Chen Moonves returns as host.
- New theme: “Summer of Mystery” at the Hotel Mystère.
- Live feeds begin July 13 on Paramount+ and Pluto TV.
- Companion show “Big Brother: Unlocked” debuts July 25, airing every other Friday.
- Cast includes fresh faces and rumored surprise alumni involvement.
Big Brother 2025: The House and Theme
This season, the Big Brother 2025 house has been transformed into the lavish and enigmatic Hotel Mystère. The design features hidden passageways, a secret wine cellar, a Victorian-style lounge, and even a poison bar. The house’s mysterious vibe sets the stage for a summer filled with secrets and unexpected twists.
Notable features include:
- Reception area with chess guardians
- Attic bedroom full of curiosities
- Sleeper car bunk room
- Rooftop garden kitchen
- Boxing ring gym
- Secret HOH bathroom entrance
The “Summer of Mystery” theme means viewers can expect masked visitors, secret accomplices, and the introduction of a “Mystery Houseguest,” whose identity remains a closely guarded secret.
Big Brother 2025: Cast and Twists
The official cast list for Big Brother 2025 is being revealed just days before the premiere. Early teasers hint at a diverse group, including a former professional baseball player, a lawyer, a student, a PR major, and another ex-athlete. All houseguests are new to the game, but producers have teased that alumni will play a role in the season—possibly as coaches, panelists, or secret influencers.
For the first time, the companion show “Big Brother: Unlocked” will air every other Friday, starting July 25. Hosted by three fan-favorite alumni, this show will feature behind-the-scenes footage, exclusive interviews, and expert analysis of the season’s gameplay. It’s a must-watch for superfans eager for insider perspectives.
Big Brother 2025: Live Feeds and Streaming
Fans can follow the action 24/7 with live feeds launching Sunday, July 13, at 9:30 PM PT on Paramount+ and Pluto TV. The feeds offer an unfiltered look at alliances, betrayals, and the daily lives of the houseguests, ensuring viewers never miss a moment of the drama.
Episodes will also be available for streaming on Paramount+ and CBS On Demand after their broadcast, making it easy to catch up on every twist and turn.
What’s New in Big Brother 2025?
Big Brother 2025 is celebrating its 25th anniversary with the most original hours of programming since its debut in 2000. The extended episodes, new companion show, and enhanced house design reflect the show’s evolution and enduring popularity.
Table: Big Brother 2025 Episode Schedule
| Day | Time | Duration | Notes |
|---|---|---|---|
| Wednesday | 8:00 PM | 90 minutes | Extended episodes |
| Thursday | 8:00 PM | 60 minutes | Live evictions |
| Sunday | 8:00 PM | 60 minutes | Regular episodes |
| Friday* | 8:00 PM | 60 minutes | “Big Brother: Unlocked” (biweekly) |
*“Big Brother: Unlocked” airs every other Friday, starting July 25.
Big Brother 2025: What to Expect
With the “Summer of Mystery” theme, viewers can expect:
- Hidden rooms and secret passageways
- Masked and secret houseguests
- New competitions and game mechanics
- Surprising alumni involvement
- More live content and exclusive behind-the-scenes coverage
Julie Chen Moonves returns as the host, guiding both new and veteran fans through a season that promises to be unforgettable.
Conclusion
Big Brother 2025 is shaping up to be the most thrilling season yet, combining a fresh cast, a mysterious new house, and a schedule packed with extended episodes and exclusive content. Whether you’re a longtime fan or a newcomer, this season is set to deliver twists, suspense, and nonstop entertainment all summer long.
Stay tuned for the latest Big Brother 2025 news and exclusive updates on the Hotel Mystère houseguests. Share your thoughts in the comments—who do you think will win this season?