仮面ライダーアギト
, is a 2009-2010 Japanese tokusatsu drama, the eleventh series in the Heisei period run of the Kamen Rider Series. It premiered following the finale of "Kamen Rider Decade" on September 6, 2009, and aired alongside "Samurai Sentai Shinkenger" in TV Asahi's Super Hero Time programming block. Following "Shinkenger's" finale, it aired alongside "Tensou Sentai Goseiger", until "W" concluded on August 29, 2010. The series is described as the . In the first episode of Kamen Rider Fourze, W is revealed to be in the same continuity as the original Showa timeline, making it the first series to do so since "Kamen Rider Agito". The series is notable for being the first installment in what's popularly viewed as Heisei era Kamen Rider's second phase by fans. A sequel manga series, "Fuuto PI", began serialization in August 2017 and an anime adaptation is scheduled for Q3 2022.