国家/地区：美国
集数：
每集45分钟
语言/字幕：英语
A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detection, they have taken on human form which gives them human emotions, physical needs etc. WITHOUT the understanding of what th…
A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detection, they …
