Alien is a science-fiction horror franchise centered on a film series that depicts Warrant Officer Ellen Ripley (Sigourney Weaver) and her battles with an extraterrestrial lifeform, commonly referred to as "the Alien" or "Xenomorph XX121".
Produced by 20th Century Fox, the series began with Alien (1979), directed by Ridley Scott. It was followed by three sequels, released in 1986, 1992 and 1997. A prequel series directed by Scott expands on the series, beginning with the release of Prometheus (2012) and continuing with Alien: Covenant (2017). There were speculations about a 5th Alien film (Alien...