How to Watch ‘Big Brother’ Season 27 Premiere Online for Free

The Season 27, “Big Brother: A Summer of Mystery,” celebrates the 25th anniversary of the venerable reality competition show “Big Brother.”

At 8 p.m. ET on Thursday, July 10, 2025, the new season will premiere.

To watch the premiere live and on demand, cord-cutters can sign up for Fubo (5-day free trial), DirecTV (5-day free trial), or Sling (first month half off).

A masked visitor, a secret accomplice, and the entrance of a mystery houseguest are just a few of the unexpected turns and turns that occur in tonight’s 90-minute episode, “Houseguests enter the enigmatic ‘Hotel Mystère,’ a place where secrets lurk behind every door.”

Where can you watch “Big Brother” live and for free on demand?

Several streaming services that offer CBS, such as Fubo (5-day free trial), DirecTV (5-day free trial), and Sling (first month half off), allow viewers to watch the most recent episodes of “Big Brother” live or on demand without a cable membership.

With a Paramount+ Premium subscription, you can watch episodes live; with a Paramount+ Essential subscription, you can watch them the next day. Get any Paramount+ plan for just $0.99/month for the first two months till July 13.

What is ‘Big Brother’ about?

The official CBS summary of the show states that “Big Brother follows a group of people living together in a house equipped with 112 HD cameras and 113 microphones, recording their every move 24 hours a day.” Every week, a member of the House will be voted out, and the final House member will be awarded the $750,000 grand prize.