Aliens

James Cameron took Ridley Scott’s claustrophobic horror masterpiece and transformed it into the greatest action-horror hybrid ever made. Where Alien was a haunted house in space, Aliens is a war movie — Colonial Marines with pulse rifles and smart guns against swarms of xenomorphs. The tonal shift should not have worked, but Cameron’s mastery of escalation makes it feel inevitable.

Sigourney Weaver’s Ripley is the heart of the film. Her arc from traumatized survivor to surrogate mother to warrior is the best character development in any action film. The decision to center the story on Ripley’s bond with Newt gives every firefight emotional stakes. When Ripley straps on the power loader and delivers ‘Get away from her, you bitch,’ it is the greatest hero moment in action cinema.

Aliens earned Weaver a Best Actress nomination at the Oscars — unheard of for an action film at the time. Cameron proved that genre filmmaking could produce performances worthy of the highest recognition.