Species III is a 2004 science fiction action thriller television film. The film is a sequel to Species II (1998) and the third installment of the Species series. Directed by Brad Turner and stars Robin Dunne, Robert Knepper, Sunny Mabrey, Amelia Cooke and John Paul Pitoc. Natasha Henstridge, who was contracted to a trilogy commencing with the first Species film, briefly reprises the role of Eve in the opening scene.

Species II is a 1998 American science fiction horror thriller film directed by Peter Medak. The film is a sequel to Species (1995) and the second installment in the Species series. The film stars Michael Madsen, Natasha Henstridge, Marg Helgenberger, Mykelti Williamson, George Dzundza, James Cromwell and Justin Lazard. In addition to Madsen and Helgenberger reprising their roles, Henstridge also returned for the sequel as a new character. The plot has Patrick Ross, the astronaut son of a senator, being infected by an extraterrestrial organism during a mission to Mars and causing the deaths of many women upon his return. To stop him, the scientists who created the human-extraterrestrial hybrid Sil in the original Species try using a more docile clone of hers, Eve.