Drstone_ep_04_ita.mp4 -

: Senku successfully mixes sulfur, charcoal, and other ingredients to create gunpowder. An accidental explosion during the process alerts others to their location ( Crow's World of Anime ).

: The explosion acts as a smoke signal, which is unexpectedly answered by other signals in the distance. This reveals the possibility that other conscious humans exist in the stone world ( Screenspy ). DrStone_Ep_04_ITA.mp4

: The episode features a flashback to Senku’s childhood, showing his early passion for science and his father’s support in his pursuit of becoming an astronaut (Screenspy). : Senku successfully mixes sulfur, charcoal, and other

In this episode, the protagonist Senku and his companions, Taiju and Yuzuriha, travel to This reveals the possibility that other conscious humans

Mt. Hakone to gather sulfur. Their goal is to create gunpowder as a defensive weapon against the powerful antagonist Tsukasa Shishiou (Dr. Stone Wiki).