Overview
- Season 27 premiered July 10 with a 90-minute special airing on CBS and Paramount+.
- Themed “A Summer of Mystery,” the season introduces a masked visitor, a secret accomplice and a concealed Mystery Houseguest.
- Live 24/7 feeds will go live Sunday, July 13 at 9:30 p.m. PT on Paramount+ and Pluto TV.
- A new companion series, Big Brother: Unlocked, is scheduled to debut July 25 on Paramount+ and Pluto TV.
- Filmed on Sound Stage 18 at CBS Studios Center in Los Angeles, the season expands multi-platform access for viewers.