For the series' main character, Zi-O, see Sougo Tokiwa. Kamen Rider Zi-O (仮面ライダージオウ, Kamen Raidā Jiō) is a Japanese tokusatsu drama in Toei Company's Kamen Rider Series. It is the twentieth and final entry of the Heisei Era, serving to commemorate its 20th Anniversary, and the thirty-third series overall. The series premiered on September 2, 2018 and joined Kaitou Sentai Lupinranger VS Keisatsu Sentai Patranger in the Super Hero Time line-up after the finale of Kamen Rider Build. After Lupinrang