Alien Nation

Alien Nation is an American science fiction media franchise created by Rockne S. O'Bannon, comprising film, television, and other media productions about alien refugees living on Earth. The series began with the 1988 film Alien Nation, which was adapted into a Fox Network television series of the same name in 1989. Fox cancelled the series abruptly after one season but continued the story in five TV movies. The series also produced other media and merchandising tie-ins, including novels and comics. Aside from the sci-fi angle, the franchise fits into many different genres including drama, police procedural and buddy cop.