Kamen Rider W: FOREVER A to Z/The Gaia Memories of Fate (仮面ライダーWダブル FOREVERフォーエバー AtoZ／運命のガイアメモリ, Kamen Raidā Daburu: Fōebā Ei tū Zetto/Unmei no Gaia Memori) is a Japanese superhero Tokusatsu Summer Movie for Kamen Rider W, double billed with Tensou Sentai Goseiger: Epic on the Movie. The film guest stars Mitsuru Matsuoka as the film's antagonist Katsumi Daido, who transforms into Kamen Rider Eternal and leads an undead mercenary group on a formidable assault against Double in Futo City. Kamen Rider OOO makes an early-bird appearance ahead of his in-series debut. The catchphrase for the movie is "W Forever - Betting the survival of Futo, Fight!" (Ｗダブルよ永遠に―風都の存亡を賭けて、戦え!, Daburu yo eien ni - Fūto no sonbō o kakete, tatakae!).