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主演：
剧情：
A group of aliens are sent to Earth, disguised as a human family, to experience and report life on t
导演：
主演：
剧情：
A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detectio
导演：
主演：
剧情：
A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detectio
