简介：This season began merely two whole weeks after the first season had ended, on April 19, 2008, with the airing of The Elite Guard, and ended on July 5,

简介：　　剧情大概：　　一个执行太空任务从宇宙归来的太空舱里的船员被天外异形下了药变成了可怕的怪物，这种异形能寄生到人体使其发生肢体变异。同时期一组洞穴探险员来到城市郊外溶洞探险，没想到此地已经被异形占领，他们只能靠本能来逃脱异形所设下的种种陷阱……（说起山寨，意大利人才应该算是鼻祖吧，就如同这部电影标题