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Alien (film) - Wikipedia
Alien (franchise) - Wikipedia
Alien (1979) - IMDb
How to Watch the Alien Movies in Chronological Order - IGN
Alien Definition & Meaning - Merriam-Webster
Alien movies in order: chronological and release | Space
Xenomorph - Wikipedia
New 'Alien' Movie Announces Plot Synopsis, Full Cast - Variety
Alien | Rotten Tomatoes
Alien (1979) - Plot - IMDb