MePhone: Each one of you current contestants will pair up with a former contestant to investigate. Once you all guess who done it, I’ll revive Blueberry who can tell us what REALLY happened. Whichever team accurately solves the mystery, its active contestant will win immunity, and its eliminated contestant will rejoin the competition!

Yang: Uh, just one question-- what if you... WERE... the murderer?

...

Lifering, Bot, The Floor, and Goo look at Yin-Yang suspiciously

Yin: Yang, is there something you'd like to share with the class?!