This article is about a/an episode in Kamen Rider Zero-One.
Red alert WARNING: This episode contains scenes of violence and nudity. Viewer discretion is advised!

It Can't Be Stopped (ソレはダレにも止められない Sore wa Dare ni mo Tomerarenai) is the thirty-seventh episode of Kamen Rider Zero-One. It features Jin's onscreen transformation into Kamen Rider Ark-Zero, the return of Kamen Rider Ikazuchi and Naki's debut as Kamen Rider Naki.


Finally, the Ark has manifested itself as a Kamen Rider and appeared before Aruto and the others! Zero-One and Vulcan were completely powerless standing before such an overwhelming force! This translated into a moment where Aruto is starting to fear the prospects of advancing artificial intelligence innovations beyond human comprehension. Aruto is starting to lose sight of himself, as he doesn't know how to handle the new emergence of the Ark... Meanwhile, a newly revived Ark hands Naki a new Progrisekey...!


to be added


Suit Actors

Forms and Collectibles Used


  • Key Used:
    • Zero-One
      • MetalCluster Hopper
    • Horobi
    • Thouser
      • Amazing Caucasus
  • Form Used:
    • Zero-One
      • MetalCluster Hopper
    • Horobi
      • Sting Scorpion


  • Key Used:
    • Ikazuchi
    • Thouser
      • Awaking Arsino
    • Naki
      • Japanese Wolf


  • When Naki uses their finisher on Gai, it is announced as "Sting Dystopia".


Zero-One Ep 37 Closing Screen
  • Closing Screen Progrisekeys:
    • Kamen Riders: Zero-One, Vulcan
    • Progrisekeys:
      • Zero-One: MetalCluster Hopper
      • Vulcan: Rampage Gatling
  • 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, Crushing Buffalo, Exciting Stag, Splashing Whale, Dynamaiting Lion, Storming Penguin, Scouting Panda,
    • Progrisekeys in unknown possession: Amazing Hercules
    • Humagear Progrisekeys in Zero-One's possession: Is, Uchuyaro Subaru, Saikyo Takumi Oyakata, Dr. Omigoto, Sumida Smile, Mamoru, Bengoshi Bingo, Ikkan Nigiro, Okureru, Matsuda Enji, G-Pen, Matsurida Z, Fukkinhoukai Taro, Shesta, Delmo, Love-chan
    • Humagear Progrisekeys in's possession: Uchuyaro Raiden
    • Zetsumerisekeys in Thouser's possession: Awaking Arsino
    • Zetsumerisekeys in Ikazuchi's possession: Dodo
    • Zetsumerisekeys in Naki's possession: Japanese Wolf
    • Zetsumerisekeys in's possession: Berotha, Kuehne, Ekal, Neohi, Onycho, Vicarya, Gaeru, Mammoth, Arsino
  • This episode features the return of Ikazuchi's Rider form after his one-time appearance in Kamen Rider Zero-One Episode 14.
  • As of this episode, all members of sans Azu have transformed into their own independent Kamen Riders.
  • Ark-Zero's All Extinction now has a caption before the execution.
  • It marks the second time Zetsumerisekeys are used in weapons (Attache Shotgun and Thousand Jacker in this case). The first time was in Kamen Rider: Reiwa The First Generation, when Zero-One used Rocking Hopper Zetsumerisekey in Attache Calibur.

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