"Exodus" - Preview

"Exodus," a two-hour FRONTLINE special, tells the first-person stories of refugees and migrants fleeing war and persecution for Europe -- drawing on footage filmed by the families themselves as they leave their homes on dangerous journeys seeking safety and refuge. "Exodus" premieres Tuesday, Dec. 27, 2016 at a special time -- 9 p.m. EST/8 p.m. CST.