The first Alienmovie was released in 1979 to massive approval from audiences. After its release, Alien would define a genre of horror-gore films involving extraterrestrials and spawn a franchise that ...

Don’t expect a straightforward timeline, because continuity is a mess with the Alien and Predator timelines (even if, as in this list, you choose to ignore tie-in comics, novels, and games). Predator: ...