Big Brother season 27 is kicking off tonight, and we’re expecting lots in store this summer!

This season, the theme of the reality competition series is Big Brother: A Summer of Mystery that has a murder mystery/mysterious hotel vibe.

We have the full release schedule for the entirety of the run of Big Brother. Tonight’s episode and Sunday’s episode will both be 90 minutes long! Then, the remainder of the summer, all Wednesday episodes will be 90 minutes long as well. The BB: AI arena will be back under a new name, the BB: Blockbuster. This twist makes it so you never REALLY know who’s going home.

In addition, there will be a new series airing this summer on Fridays: Big Brother: Unlocked!

Keep reading to see the full Big Brother 27 release schedule…

Big Brother Season 27 premiere week

Episode: Season 27, Episode 1
Date: Thursday, July 10
Time: 8-9:30 PM, ET/PT
Channel: CBS
Streaming: Paramount+

Episode: Season 27, Episode 2
Date: Sunday July 13
Time: 8-9:30 PM, ET/PT
Channel: CBS
Streaming: Paramount+

Big Brother weekly schedule

Date: Wednesdays
Time: 8-9:30 PM, ET/delayed PT
Channel: CBS
Streaming: Paramount+

Date: Thursdays
Time: 8-9 PM, ET/delayed PT
Channel: CBS
Streaming: Paramount+

Date: Sundays
Time: 8-9 PM, ET/delayed PT
Channel: CBS
Streaming: Paramount+

Big Brother: Unlocked schedule

Big Brother: Unlocked is a new show airing throughout the season on Friday nights!

The ongoing series will feature three BB All-Stars as they offer never-before-seen broadcast footage from the house, exclusive interviews, surprise guest appearances and unprecedented behind-the-scenes access. Former Houseguests share firsthand insight and expertise as they analyze gameplay, assess the competition and give their insider’s perspective every other Friday starting Friday, July 25. After that, episodes will air on August 8 and 22, as well as September 5, 19, and 26 on CBS and Paramount+!