3 : Weapons Of Science Apr 2026

is the third episode of the first season of the popular sci-fi anime Dr. Stone . In this episode, the protagonist Senku Ishigami realizes that primitive strength is not enough to stop the antagonist Shishio Tsukasa, leading him to seek more advanced technological solutions to level the playing field.

: Available on Crunchyroll and Amazon Prime Video . 3 : Weapons of Science

Watch a recap of the tactical shifts and scientific breakthroughs in this episode: Dr. Stone: Season 1 Part 1 (Full Recap) YouTube• Nov 21, 2020 Episode Summary is the third episode of the first season

: Senku identifies three essential ingredients for gunpowder: sulfur, charcoal (from burnt wood), and potassium nitrate (sourced from nitric acid found in the cave). charcoal (from burnt wood)