Kamen Rider W (仮面ライダーＷ（ダブル） Kamen Raidā Daburu) 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 ShinkengerImage:Icon-crosswiki.png in TV Asahi's Super Hero Time programming block. Following Shinkenger's finale, it aired alongside Tensou Sentai GoseigerImage:Icon-crosswiki.png, until W concluded on August 29, 2010. 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). The catchphrases for the series are "We are the two-in-one Kamen Rider" (俺たちは/僕たちは、二人で一人の仮面ライダーさ Ore-tachi wa/Boku-tachi wa, futari de h