地狱无门 The Advanced Guard (TV) (1998)认领

　　A group of aliens arrive on Earth as part of an advance invasion force. Their mission is to kidnap a small sample of humans and run them through a series of rigorous tests to determine if they would make suitable slaves. Harper, one of the alien experimenters, has beceme frustrated with her planet's endless cycle of conquest and extermination and begins to feel some sympathy fo...