Kamen Rider Double (仮面ライダーＷ（ダブル）, Kamen Raidā Daburu?, Kamen Rider W, Masked Rider Double) is the eleventh series in the Heisei period run of the Kamen Rider Series and the twentieth Rider series overall. It premiered following the finale of Kamen Rider Decade on September 6, 2009[1], and airs alongside Samurai Sentai Shinkenger in TV Asahi's Super Hero Time programming block. Following Shinkenger's finale, it airs alongside Tensou Sentai Goseiger. It 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 catchphrase for the series is "This decides it!" (これで決まりだ！, Kore de kimari da!?).

sumber-wikipedia