Operation began, nicole, christian and their entire family are playing their waiting game. >> do you feel anxious? do you -- are you settled or how do you feel? >> like i have a little nervous energy. >> what's waiting in my stomach is for that phone call, okay, we're into -- i call it the land of the unknown. >> an hour later, the surgical team hits the land of the unknown. and well past midnight, they continue to work through the twins brains. vein by vein. and then, 2:11 a.m. >> it's been about 17 hours now since they started operating. and you can see for the first time, jaden and anias ar...