- Yusuke Kobayashi (Senku Ishigami (voice))
- Makoto Furukawa (Taiju Oki (voice))
- Kana Ichinose (Yuzuriha Ogawa (voice))
- Manami Numakura (Kohaku (voice))
- Gen Sato (Chrome (voice))
- Kengo Kawanishi (Asagiri Gen (voice))
- Ryota Suzuki (Nanami Ryuusui (voice))
Dr. STONE — S1E21
Episode: Spartan Crafts Club
Air Date: 2019-11-22
Runtime: 24 min
Overview
With Chrome and Kaseki’s water wheel finished, Ishigami Village moves into the age of electricity! But with the primitive materials available to him, will Senku be able to create a filament that can withstand the intense heat of operating a vacuum tube?