Two generations of bug-men in leather beat each other up while a kid almost destroys reality. Peak cinema.
The Underground Empire Badan makes its move, intending to invert the world. Kouta and Mai are pulled through one of these inversions where the discover a boy named Shu, who also holds the power to invert the world. As the Riders fight to protect Shu, Fifteen appears again, seeking Shu. As Kouta flees, past Riders gather and fight one another, split between the Showa and Heisei era Riders. But, the truth of Badan is not as it seems…
Practical Effects
Suit actors doing flips while 40 years of legacy costumes share screen
Acting
Hiroshi Fujioka's gravitas as original Rider #1 anchors the chaos
Direction
Shibasaki somehow juggles 30+ heroes without total narrative collapse
Director
Takayuki Shibasaki
Gaku Sano
Kouta Kazuraba / Kamen Rider Gaim
Hiroshi Fujioka
Takeshi Hongo / Kamen Rider #1
Itsuji Itao
Ren Aoi / Kamen Rider Fifteen
Masahiro Inoue
Tsukasa Kadoya / Kamen Rider Decade
Kento Handa
Takumi Inui / Kamen Rider Faiz, Riderman (voice)
Renn Kiriyama
Shotaro Hidari / Kamen Rider Joker / Kamen Rider Double
Yutaka Kobayashi
Kaito Kumon / Kamen Rider Baron
Mahiro Takasugi
Mitsuzane Kureshima / Kamen Rider Ryugen
Yuki Kubota
Takatora Kureshima / Kamen Rider Zangetsu Shin, Shin (voice)
Yuumi Shida
Mai Takatsukasa
Tomohisa Yuge
Kiyojiro Bando
Shunya Shiraishi
Haruto Soma / Kamen Rider Wizard
Kohei Murakami
Masato Kusaka / Kamen Rider Kaixa
Shun Sugata
Ryo Murasame / Kamen Rider ZX / Ambassador Darkness (voice)
Trivia, insights & behind the scenes
Hiroshi Fujioka hadn't suited up as Rider #1 in a full theatrical film since 1972—this marked his physical return 42 years later, not just voice work.
The 'Showa vs. Heisei' debate mirrors actual Japanese generational discourse, with the film literally staging fandom arguments about which era 'counts' more as real tokusatsu.
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