The scrapped Supergirl episode. titled “How Does She Do It?” had Kara dealing with bombings throughout National City. It will be replaced by the Thanksgiving-themed “Livewire,” which was originally scheduled to air the following week. Meanwhile, the ditched NCIS: Los Angeles outing, “Defectors,” involved ISIS recruiting young women. The Dec. 7 installment “The Long Goodbye,” will air in its place.