Blindspotفصل 4 جایگزینی تصویرشماره قسمت15Frequently Recurring Struggle for ExistenceOverviewThe team works with a member of the Defense Intelligence Agency to stop the sale of a device that will weaponize stolen plutonium; meanwhile, Jane's past with Shepherd and Sandstorm both hurts and helps their efforts.Air dateMarch 15, 2019Runtime (min)42