When Do New Episodes of ‘Big Brother’ Season 27 Air? Full Schedule

Big Brother Season 27 house and cast 2025

Last week, the official theme for Season 27 of the popular reality competition show “Big Brother” was “Big Brother: A Summer of Mystery.”

According to CBS, the show centers on a group of people who live together in a home that is equipped with 94 HD cameras and 113 microphones, which record every move they make around-the-clock. A grand reward of $750,000 is awarded to the final houseguest each week after someone is voted out.

This year, houseguests will spend the summer inside the Hotel Mystère, a mysterious yet luxurious take on the “Big Brother” house that features a poison bar, a wineless wine cellar, hidden passageways, a vintage aesthetic, and an suspense-filled atmosphere.

“This new group of houseguests is stepping into a summer where nothing is as it seems, where every twist rewrites the rules, and every turn conceals a hidden agenda,” CBS stated regarding the season that follows.

Here’s everything you need to know about “Big Brother” Season 27 and how to watch it.

Episode schedule for “Big Brother” Season 27

On Thursday, July 10, Season 27 made its 90-minute debut, and on Sunday, July 13, another 90-minute episode was broadcast.

According to the network, “Big Brother” will air 90-minute episodes on Wednesdays after the first two episodes, and then hour-long episodes on Thursdays and Sundays until the season finale. Houseguest evictions will be shown in the Thursday episodes.

Starting on Wednesday, July 16, the following is the weekly schedule for “Big Brother” episodes:

Wednesdays

Time: 8-9:30 p.m. ET/delayed PT
Channel: CBS
Streaming: Paramount+

Thursdays and Sundays

Time: 8-9 p.m. ET/delayed PT
Channel: CBS
Streaming: Paramount+

How to watch ‘Big Brother’ Season 27

The CBS show “Big Brother” will air.

Both Pluto TV and Paramount+ Premium users can watch the episodes on their “Big Brother” live streams.

Cast of “Big Brother” Season 27

On July 8, CBS revealed the 16 “Big Brother” cast members for Season 27.

“This season’s cast includes a professional bull rider, event curator, marketing manager, AI consultant, aura painter, attorney and a dungeon master, among others,” the network stated. The new houseguests are listed below: