Kamen Rider Agito is a Japanese tokusatsu television series that aired from 2001 to 2002. It is the 11th installment in the long-running Kamen Rider franchise and follows the story of Shouichi Tsugami, a young man who transforms into the titular hero, Kamen Rider Agito, to battle mysterious creatures known as Unknown. The series explores themes of identity and the struggle between good and evil. As Shouichi uncovers his past and the origins of the Unknown, he encounters other Riders, including Kamen Rider G3 and Kamen Rider G4, who also fight against these threats.