a Alien Nation is a science fiction television series, loosely based on the movie of the same name. Gary Graham starred as Detective Matthew Sikes, a Los .\rbr\rbr\rbr\rbra Alien Nation is a science fiction television series, loosely based on the movie of the same name. Gary Graham starred as Detective Matthew Sikes, a Los .\rbr\rbra Alien Nation is a science fiction television series, loosely based on the movie of the same name. Gary Graham starred as Detective Matthew Sikes, a Los .\rbr\rbra Alien Nation is a science fiction television series, loosely based on the movie of the same name. Gary Graham starred as Detective Matthew Sikes, a Los .