Kamen Rider X (仮面ライダーＸエックス, Kamen Raidā Ekkusu, translated as "Masked Rider X") is a Japanese tokusatsu drama and the third installment of the Kamen Rider Series. It is the third series to debut during the Showa Era and aired from February 16, 1974 to October 12, 1974 for 35 episodes on NET (now known as TV Asahi).