Introductions & Hoh Comp #1big Brother (us) : S... <ESSENTIAL>

Former winner Rachel Reilly (Seasons 12 and 13) was added to the cast as a surprise 17th houseguest after the HoH competition.

The "Mastermind" revealed that one houseguest is secretly an accomplice. If the house correctly identifies them, the accomplice is evicted; if they fail, the accomplice remains as a full player.

In the premiere of , 16 new houseguests entered a "Murder Mystery Hotel" themed house. The introduction was split into two groups, each facing a unique challenge to determine who would have early power or prizes. Vince Panaro emerged as the first Head of Household (HoH) after a balancing-centric competition. Houseguest Introductions The cast was introduced in two distinct blocks of eight: Introductions & HoH Comp #1Big Brother (US) : S...

Catherine (server), Vince (unemployed), Mickey (event curator), Jimmy (AI consultant), Morgan (competitive gamer), Zae (marketing manager), Will (sports podcaster), and Ava (aura painter). Group Challenges & HoH Selection

Solved a bridge puzzle to find clues. Zach Cornell won the challenge and received a $10,000 cash prize . Former winner Rachel Reilly (Seasons 12 and 13)

Searched for a hidden "HOH Relic." Jimmy Heagerty found the relic, granting him the power to choose four players to compete in the first official HoH competition. HoH Competition #1: "The Mastermind's Lair"

Upon entering, the groups were tasked with resolving a "Mastermind" crisis involving the kidnapping of host Julie Chen Moonves. In the premiere of , 16 new houseguests

Players had to balance six cores on a device called a "BB Blaster" for 10 seconds.