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A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detectio
剧情：
A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detectio
剧情：
A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detectio
剧情：
A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detectio
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Nick Newell, a one-armed MMA fighter gets a rare chance to fight for the lightweight championship.