佐藤健
Along with the usual film adaptation that Heisei Kamen Rider series have released during the late summer of their broadcast run, "Den-O" had a released in the spring following its broadcast run which grossed 730 million yen (approximately US$6.8 million) and a series of ten OVA shorts, both of which are firsts for any "Kamen Rider". Continuing the trend, "Kamen Rider Den-O" also had a third film released in October 2008, the first for any Kamen Rider series and a second series of 12 OVA shorts was released in November 2008. Takeru Satoh claims that the reason that "Den-O" has amassed such popularity is because of its comedic timing. A fourth film was released on May 1, 2009, and three more released in the summer of 2010.