Watch all Alien movies in order with our comprehensive list, from the 1979 original to Romulus, and including the Alien vs. Predator crossovers.

For over 40 years, the Xenomorph has terrorized audiences with seven films, two Alien vs. Predator crossover movies and a show, Alien: Earth. The prequel, which premiered on FX and Hulu on Aug. 12, 2025, marked the first time the story has been adapted for the small screen.

"Alien: Earth" is Noah Hawley's latest silver-to-small screen project. But if you want to watch all the film entries which preceded it, here's what you need to know.