The Good: The first two "Alien" movies are edge-of-your-seat sci-fi marvels. It's fun to debate whether "Alien" or "Aliens" is the superior film, but we can all agree -- they're both good.The Bad: Sigourney Weaver originally wanted nothing to do with "Alien 3," but somehow got duped into it. It was looking like that was the end, until ...The Ugly: Ripley is cloned and Winona Ryder stops by in "Alien Resurrection." When Alien later takes on Predator (twice), it moves into full-on camp. Did sort-of-prequel "Prometheus" resurrect the franchise in a good way?
20th Century Fox
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