To sum it up, Rachel made a risky move that could put her closer to winning Big Brother, and one that will undoubtedly change the trajectory of this season. It may blow up in her face, but it's just wild enough that it could shake up the house entirely and prove to put her in a much better spot than she's been in the first six weeks.

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.