Kamen Rider Den-O (仮面ライダー電王 Kamen Raidā Den'ō, Masked Rider Den-O) is the seventeenth installment in the popular Kamen Rider Series of tokusatsu programs. It is a joint collaboration between Ishimori Productions and Toei. It premiered January 28, 2007 on TV Asahi, and concluded airing on January 20, 2008. It aired alongside Juken Sentai GekirangerImage:Icon-crosswiki.png for Super Hero Time 2007. Its lead actor Takeru Satoh is the first Kamen Rider Series lead born in the Heisei period of Japanese history.