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

  • Which memorable houseguest got smacked in the head by host Julie Chen?

CREDIT: Frederick M. Brown / CBS

Published: Tuesday July 19, 2011 06:00 AM EDT By: Janet Mock

Which memorable houseguest got smacked in the head by host Julie Chen?