: 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 ingredients to create gunpowder. An accidental explosion during the process alerts others to their location ( Crow's World of Anime ). DrStone_Ep_04_ITA.mp4
In this episode, the protagonist Senku and his companions, Taiju and Yuzuriha, travel to : The episode features a flashback to Senku’s
: 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 ). the protagonist Senku and his companions