Years after an alien invasion almost extinguished human mankind, refugee on a secret base on the Moon, three heroes decide to jump into a time travel in the desperate attempt to save the survivors but they don't know that the Sentinel is waiting for them.
演员：克里斯托弗·加吉 伊丽莎白·霍尔姆 Matt Lagan Paul Anderson Debbie Gibson 菲奥娜·哈丁汉姆 汉娜·莱维恩 Emma Rose Maloney Steve Hanks Simon Barbaro Marshall Dunn Colin Flynn David Salsa Robert Sisko Alain Ligonde