Big Brother's Most Memorable Moments
Who did host Julie Chen slap? Which contestant pulled a knife on a houseguest? Test your reality-show recall now
CREDIT: Frederick M. Brown / CBS
Published: Tuesday July 19, 2011 06:00 AM EDT By: Janet Mock
More from PEOPLE
- Oops!... She Did It Again: Britney Spears Adorably Recreates Album Cover with Sons in Disneyland
- Read the Cover Story: Growing Up Kennedy!
Exclusive Family Photos from White House Nanny
- Beyoncé Had a Better Fourth of July Than You, Partied With Solange, Kelly Rowland and Missy Elliott
- Which Mistresses Star Wants to Meet Halle Berry in the (Ahem) Bedroom?
- Maine Man Killed Instantly After Setting Off Firework on His Head