The Alien franchise is one of the most iconic and enduring in all of sci-fi cinema, even if not every entry is a classic. The original Ridley Scott movie was essentially greenlit only because the ...
Ridley Scott's sci-fi classic premiered in 1979, and starred Sigourney Weaver, Tom Skerritt, and Harry Dean Stanton.
It is a rare thing indeed to find a movie sequel that outstrips the original. Terminator 2, perhaps. The Godfather Part II, probably. The Dark Knight, definitely. But greater sequels are hard to find.