Crossover series

Prequel series

Alien is a science-fiction horror action media franchise centered on the film series depicting Warrant officer Ellen Ripley (played by Sigourney Weaver) and her battles with an extraterrestrial lifeform, commonly referred to as "the Alien". Produced and distributed by 20th Century Fox, the series began with Alien (1979), directed by Ridley Scott, and was followed by three sequels, Aliens (1986), Alien³ (1992), and Alien Resurrection (1997), directed by James Cameron, David Fincher, and Jean-Pierre Jeunet, respectively. Scott also directed a prequel series, composed of Prometheus (2012) and Alien: Covenant (2017). The series has led to numerous novels, comics, and video game spin-offs such as Alien: Isolation released in 2014 to generally positive reviews. The Alien vs. Predator franchise combines the continuities of the Alien franchise with the Predator franchise and consists of two films as well as varying series of comics, books, and video games.