The Importance of Moving

Mark: "I've spent so much of the past few years finally shaking up my life and it's getting harder to remember them" Sam: "If I move, I'm abandoning them. This place is all that I have left." Mark: "We could go visit Chloe and Mr. Sandoval, learn what she's learned, find other cities with big A-typical populations". The episode airs tonight at 9 p.m. ET/PT on CNN.