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Big Brother· Season 27 · Episode 1

Episode 1

S27E01·6.3·July 10, 2025·1h 30m·CBS

16 complete strangers check into Big Brother's Hotel Mystere, where mysteries lurk around every corner and nothing is as it seems... a maniacal master mind, a secret accomplice a mystery Houseguest and 3 action packed competitions will unleash a summer of suspense, suspects and secrets, challenging our Houseguests like never before!

Streaming on (US) See all

#28In Season 27of 34 rated episodes

#434All-timeof 464 rated episodes

−0.9vs season avgSeason 27 averages 7.2

2025First airedJuly 10, 2025

Guest stars

Rachel Reilly

Rachel Reillyas Rachel Reilly

Vince Panaro

Vince Panaroas Vince Panaro

Ashley Hollis

Ashley Hollisas Ashley Hollis

Morgan Pope

Morgan Popeas Morgan Pope

Keanu Soto

Keanu Sotoas Keanu Soto

Ava Pearl

Ava Pearlas Ava Pearl

Lauren Domingue

Lauren Domingueas Lauren Domingue

Kelley Jorgensen

Kelley Jorgensenas Kelley Jorgensen

Cliffton "Will" Williams

Cliffton "Will" Williamsas Cliffton "Will" Williams

Mickey Lee

Mickey Leeas Mickey Lee

Katherine Woodman

Katherine Woodmanas Katherine Woodman

Rylie Jeffries

Rylie Jeffriesas Rylie Jeffries

Zach Cornell

Zach Cornellas Zach Cornell

Jimmy Heagerty

Jimmy Heagertyas Jimmy Heagerty

Crew

Tony McCuin

Tony McCuinDirector

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