综艺 末日倒数 地球大撤退 的评分为8.0分，共有139人参与。　　If we faced a countdown to destruction, could we build a spacecraft to take us to new and habitable worlds? Can we Evacuate Earth? NGC's two-hour special examines this terrifying but scientifically plausible scenario by exploring how we could unite to ensure the survival of the human race.综艺 末日倒数 地球大撤退 豆瓣评分（8.0）