1화: 란마 소우메와 겐마 텐도가 변신 비밀을 안고 텐도 저택에 도착하다

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The Tendo family is visited by a girl and her panda, who turn out to be sex-shifter Ranma Saotome and his father Genma. Father and child recount their memories of how a trip to the Chinese training ground Jusenkyo gave them their strange transformation abilities. (Source: Wikipedia)