Rylie lashes out after Rachel replaces Vince with him on the block, while houseguests debate whether Mickey or Rylie should be the main target this week

This is Big Brother. On Monday, Rachel Reilly gave her housemates a taste of what it was like to play the game back when she won. The aftermath? An exhilarating day of Big Brother live feeds highlighted the need for the long-in-the-tooth reality series to improve its casting of big players for future seasons.