This article is about a/an episode in Kamen Rider Build.

The Devil's Scientist (悪魔のサイエンティスト Akuma no Saientisuto) is the seventh episode of Kamen Rider Build. It features the debut of Build's PandaGatling and RocketPanda Forms and the true identity of Night Rogue.


According to Tatsuya’s testimony, the allegations surrounding Katsuragi Takumi’s murder now turns towards Sento! He revealed that Taro Sato, Sento’s former self, was visiting Katsuragi’s room on the day of the murder. Ryuga, who is aware of the facts, is skeptical about the murder. The man who has hidden himself until now may be the real culprit. Ryuga, who interrogates Sento, ends up getting nothing of value from him. It is just then when both Itsurugi’s make a sudden proposal. “Maybe you should be investigating Katsuragi Takumi instead.” The search for discovering Katsuragi Takumi begins, and it leads them towards Hokuto…


to be added


Guest Casts

Suit Actors


  • Bottle used:
    • Build
      • Biotic: Rabbit, Lion (in Build Phone), Ninjya, Panda
      • Abiotic: Tank, Comic, Gatling, Rocket
    • Ryuga
      • Dragon
    • Cross-Z Dragon
      • Gatling
    • Night Rogue
      • Bat
    • Blood Stalk
  • Form used:
    • Build
      • RabbitTank Form, NinninComic Form, PandaGatling Form, RocketPanda Form


  • When Build's PandaGatling Form transformation is cancelled, the Panda Fullbottle remains in the Build Driver until after the scene when Sento shakes the Rocket Fullbottle and inserts the Rocket and Panda Fullbottles.


RocketPanda CS
  • Closing Screen Fullbottles:
    • Kamen Rider: Build
    • Fullbottles:
      • Biotic: Panda
      • Abiotic: Rocket
  • Count at episode end
    • Bottles in Build's possession:
      • Biotic: Rabbit, Gorilla, Taka, Ninjya, Panda, Harinezumi, Lion, Kaizoku
      • Abiotic: Tank, Diamond, Gatling, Comic, Rocket, Soujiki, Light
    • Bottles in Ryuga's possession:
    • Bottles in Night Rogue's possession: Bat
    • Bottles in Blood Stalk's possession: Cobra
  • The Smash Transformation is shown fully for the first time.
  • This episode reveals that Build's transformation will be cancelled if one Fullbottle is taken out.

DVD/Blu-ray releases

External links


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