Kamen Rider X (仮面ライダーX, Kamen Raidā Ekkusu), translated as Masked Rider X, is a Japanese tokusatsu superhero television series. It was broadcast in 1974 on the Mainichi Broadcasting System and NET, now known as TV Asahi. It is the third entry in the Kamen Rider Series of tokusatsu shows. It starred Ryo Hayami in the title role.

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