Kamen Rider W Forever: A to Z/The Gaia Memories of Fate (仮面ライダーＷ（ダブル） FOREVER AtoZ／運命のガイアメモリ Kamen Raidā Daburu Fōebā: Ē tu Zetto/Unmei no Gaia Memori?) is the second film adaptation of the Kamen Rider W television series, released in Japanese theaters on August 7, 2010. It was filmed in 3-D, making it the first feature length 3-D film in the Kamen Rider Series. The film's main guest star is Mitsuru Matsuoka of the band SOPHIA as the film's antagonist Kamen Rider Eternal. Other guest stars include Genki Sudo and Aya Sugimoto. Kamen Rider W Forever was released as a double feature with the Tensou Sentai Goseiger film Epic on the Movie. The protagonist of Kamen Rider OOO made his first appearance in the film. The catchphrase for the movie is "W Forever - Betting the survival of Futo, Fight!" (W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!?).
