Kamen Rider Reiwa Generations: Heisei and the Mystery of the Dark Rider

Kamen Rider POST-Heisei Generations: Heisei and the Mystery of the Dark Rider (仮面ライダーPOST-平成ジェネレーションズ：平成とダークライダーの謎) is the crossover movie for Kamen Rider Heisei, Kamen Rider Zi-O, and Kamen Rider Decade. It features the first and final appearance of Decade Heisei Form, and the appearance Kamen Rider Negative Heisei.