Alien (1979)
Directed by Ridley Scott, Alien stars Sigourney Weaver in her breakthrough role as Ellen Ripley, alongside Tom Skerritt, Veronica Cartwright and Ian Holm. The film follows the crew of the commercial spaceship Nostromo after they respond to a signal and encounter a deadly extraterrestrial organism. Combining science fiction, horror and claustrophobic creature suspense, the film introduced the Alien franchise and became a defining entry in late 20th-century genre cinema.


Aliens (1986)
Directed by James Cameron, Aliens stars Sigourney Weaver as Ellen Ripley, returning to the role from Ridley Scotts Alien. Michael Biehn, Paul Reiser, Lance Henriksen and Bill Paxton co-star in a sci-fi action horror film where Ripley joins a military mission to investigate a colony after contact is lost. The film expands the Alien franchise with colonial marines, xenomorph swarms, survival horror and Camerons large-scale action filmmaking.


Alien³ (1992)
Directed by David Fincher, Alien 3 stars Sigourney Weaver as Ellen Ripley after she crash-lands on a remote prison planet. Charles S. Dutton, Charles Dance and Brian Glover co-star in a darker sci-fi horror sequel where a new xenomorph threat emerges inside an isolated penal colony. The film continues the Alien franchise with industrial gothic atmosphere, confinement, religious overtones and creature-horror suspense.


Alien: Resurrection (1997)
Directed by Jean-Pierre Jeunet, Alien: Resurrection stars Sigourney Weaver as a cloned version of Ellen Ripley, with Winona Ryder, Ron Perlman and Dominique Pinon in key roles. Set aboard a military research vessel, the film follows illegal experiments with xenomorph DNA and the dangerous results of bringing the Alien species back. The film continues the Alien franchise with sci-fi horror, genetic experimentation, creature effects and a darker, mor