how many alien movies are there
The movie Alien was released May 25, 1979. There were 3 sequels and they were James Cameron's Aliens, David Fincher's Alien 3, and Jean-Pierre Jeunet's Alien Reurrection. There were also 2 prequel films that were Aliens and Predators.
The success of Alien led 20th Century Fox to create three sequels through 18 years. Sigourney Weaver has starred in all four Alien movies.