This sci-fi/horror film has some scenes of graphic violence, grisly imagery, and gore. An alien takes possession of human bodies and transforms them in grotesque, yet realistic-looking ways. These scenes are disturbing and may be frightening to some viewers. A man's stomach opens up into jaws and bites off another mans arms. A man's head detaches from its body and grows legs. A man's head rips in half to form a mouth, which eats another man. A dog has its skin turned inside out and grows tentacles. There is some strong language, including 5 F-words. Several people have morphine injected into them. Overall, this film is not recommended for younger viewers.