|This article is about a/an episode in Kamen Rider Zero-One.|
|WARNING: This episode contains scenes of blood, and bloodshed. Viewer discretion is advised!|
This Conclusion, Unpredictable (ソノ結論、予測不能 Sono Ketsuron, Yosoku Funō) is the thirty-ninth episode of Kamen Rider Zero-One. It features Ikazuchi's first transformation into Kamen Rider Ark-Zero and Aruto Hiden's loss of Hiden Zero-One Driver and Zea at the hands of Ark.
After remembering that it was Hiden's Artificial Intelligence who supported him when he was a child, Gai confesses to Aruto that he in fact loves Hiden Intelligence! Both of them compromise in an effort to defeat the Ark, however, Fuwa and Yua cannot forgive Gai so easily. Meanwhile, the Ark changes his strategy in order to engage Zero-One and Thouser in combat, but Ikazuchi is experiencing memories of when he lived as a Humagear in Hiden Intelligence! Ikazuchi, who immediately starts to malfunction, suddenly takes a very unexpected action...!
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- Aruto Hiden (飛電或人 Hiden Aruto): Fumiya Takahashi (高橋文哉 Takahashi Fumiya)
- Isamu Fuwa (不破 諫 Fuwa Isamu): Ryutaro Okada (岡田龍太郎 Okada Ryūtarō)
- Izu (イズ): Noa Tsurushima (鶴嶋乃愛 Tsurushima Noa)
- Yua Yaiba (刃 唯阿 Yaiba Yua): Hiroe Igeta (井桁弘恵 Igeta Hiroe)
- Jin (迅): Daisuke Nakagawa (中川大輔 Nakagawa Daisuke)
- Horobi (滅): Shuya Sunagawa (砂川脩弥 Sunagawa Syuya)
- Gai Amatsu (天津垓 Amatsu Gai): Nachi Sakuragi (桜木 那智 Sakuragi Nachi)
- Naki (亡): Satsuki Nakayama (中山咲月 Nakayama Satsuki)
- Ikazuchi (雷): Daichi Yamaguchi (山口 大地 Yamaguchi Daichi)
- Ark (アーク Āku, Voice): Show Hayami (速水 奨 Hayami Shō)
- Thouser (さうざー Sauzā): Aibo
- Hiden Zero-One Driver, A.I.M.S. Shot Riser, MetsubouJinrai Force Riser, ZAIA Slashriser, Raidriser, Attache Weapons: Maynard Plant (メイナード・プラント Meinādo Puranto), Blaise Plant (ブレイズ・プラント Bureizu Puranto)
- Narration: Kōichi Yamadera (山寺 宏一 Yamadera Kōichi)
- Kamen Rider Zero-One: Yuya Nawata (縄田 雄哉 Nawata Yūya)
- Kamen Rider Thouser: Yuji Nakata (中田 裕士 Nakata Yūji)
- Kamen Rider Ark-Zero: Eitoku (永徳 Eitoku), Hajime Kanzaki (神前 元 Kanzaki Hajime)
- Kamen Rider Naki: Yuichi Hachisuka (蜂須賀 祐一 Hachisuka Yūichi)
Forms and Collectibles Used
- Key Used:
- MetalCluster Hopper
- Amazing Caucasus
- Form Used:
- MetalCluster Hopper
- Key Used:
- Awaking Arsino
- Japanese Wolf
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- As part of Super Hero Time, this episode aired alongside Mashin Sentai Kiramager episode 15, Episode 15: Listen, The Voice of Takamichi.
- Closing Screen Progrisekeys:
- Kamen Riders: Ark-Zero
- Progrisekeys: Ark-One
- Count at episode end
- Progrisekeys in Zero-One's possession: Rising Hopper, Biting Shark, Flying Falcon, Flaming Tiger, Freezing Bear, Breaking Mammoth, Shining Hopper, Hopping Kangaroo, MetalCluster Hopper
- Progrisekeys in Vulcan's possession: Shooting Wolf, Punching Kong, Gatling Hedgehog, Trapping Spider, Assault Wolf, Rampage Gatling
- Progrisekeys in Valkyrie's possession: Rushing Cheetah, Lightning Hornet, Fighting Jackal
- Progrisekeys in Jin's possession: Burning Falcon
- Progrisekeys in Horobi's possession: Sting Scorpion
- Progrisekeys in Thouser's possession: Amazing Caucasus, Sparking Giraffe, Exciting Stag, Crushing Buffalo, Splashing Whale, Dynamaiting Lion, Storming Penguin, Scouting Panda
- Progrisekeys in Azu's possession: Ark-One
- Zetsumerisekeys in Ikazuchi's possession: Dodo
- Zetsumerisekeys in Thouser's possession: Awaking Arsino, Berotha, Kuehne, Ekal, Neohi, Onycho, Vicarya, Gaeru, Mammoth, Arsino
- Zetsumerisekeys in Naki's possession: Japanese Wolf
- In the episode, Thouser can be seen dancing to Zero-One's MetalCluster Hopper transformation jingle. As of the episode's airing, Sony updated all AIBO units to perform the dance upon the usage of the DX MetalCluster Hopper Progrisekey in the DX Zero-One Driver.
- This episode marks the very first time MetalCluster Hopper's Let's Rise standby music is played. The tune was previously played in A Miraculous Rematch!? Aruto VS Fukkinhoukai Taro: Fateful Gag Battle!, but only as a background sound during Aruto's pun on MetalCluster Hopper.
- As Aruto is transforming, Ark-Zero can be seen tapping his finger while his arms are folded. This is a nod to a joke within the fandom that heroes take too long to transform.
- What happened to Ikazuchi in this episode clearly mirrors the situation of his debut episode.
- In the said episode, Ikazuchi led Aruto and Fuwa to Daybreak after Jin secretly installed a module into him. Similarly, in this episode, Ikazuchi lead Aruto and Jin to Daybreak innocently to help them after Ark secretly allowed his memories to resurface.
- In the debut episode, before Ikazuchi could react, he was transformed into a Kamen Rider by hacking him with Forceriser. Here, when Ikazuchi tried to revolt against Ark, Ark possessed him and transformed him into Ark-Zero. In both cases, Ikazuchi would scream before losing control.
- This episode features the last appearance of Zero-One MetalCluster Hopper and Kamen Rider Naki.