The series is notable for being the first installment in what's popularly viewed as Heisei era Kamen Rider's second phase by fans.

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 described as the 'Heisei Kamen Rider 10th Anniversary Project: Fall Campaign' ( 平成仮面ライダー10周年プロジェクト秋の陣, Heisei Kamen Raidā Jusshūnen Purojekuto: Aki no Jin). Following Shinkenger's finale, it aired alongside Tensou Sentai Goseiger, until W concluded on August 29, 2010. 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. Kamen Rider W ( 仮面ライダー W ( ダブル ), Kamen Raidā Daburu, also called Kamen Rider Double), is a 2009-2010 Japanese tokusatsu drama, the eleventh series in the Heisei period run of the Kamen Rider Series and the twentieth overall.

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