A scary alien creature from outer space.
Produced by 20th Century Fox, the series began with Alien (1979), directed by Ridley Scott. It was followed by three sequels, released in 1986, 1993 and 1997. A planned prequel trilogy directed by Scott is in development, beginning with the 2012 release of Prometheus.
The series has led to numerous books, comics and video game spin-offs. Related to the franchise is the two-part Alien vs. Predator series, which combines the continuities of Aliens with the Predators from the Predator film series.