Tsukasa's army is coming! Kinro struggles to hold the bridge against the deadly spearman Hyoga and his shock troops, but Senku and the villagers are ready with deadly new weapons of science!
Hyoga is disarmed, but the kingdom of science is still in danger - Ishigami village is in flames! And Tsukasa will soon know that Senku is still alive... How will the villagers fight off the coming invasion?
Work begins on creating the components for Senku's cell phone, but spinning gold wire is proving to be quite the task! Luckily, Chrome and Kaseki "invent" the water wheel and drastically improve the process!
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?
Senku, Chrome, and Magma venture into a cave in search of Tungsten, but there's a suspicious accident that leaves Senku and Chrome trapped at the bottom of a pit! What is Magma up to?!
Senku and the rest of the village get to work on making the components for the cell phone. It's hard work but everyone is pumped!
After a successful test of their new cell phone, Senku learns of a mysterious tale about a bee named Speaker who can play the voices of the dead.
Senku continues in trying to advance the Stone World, this time he makes "space food", it is in actuality cup noodles. After Senku finishes his project, Gen has an epiphany and devises a plan to take down Tsukasa's army without violence.
While Senku's diversion buys Gen and others some time, soon Homura realizes something is not right.
Taiju and Yuzuriha are on the verge of tears after they hear Senku's voice, and Senku informs them of his plan to win the war without any bloodshed.
Chrome and Magma struggle with Ukyo, while Senku, gets his hands busy with building up an invention; a new hope.
The final touches to the automobile are made and it is used to transport the science supplies to a fortified cliffside that's close to the Tsukasa empire. From there the automobile is upgraded into a tank, but unbeknownst to the rescue group preparations by the empire have been made to counter any vehicular attack.
Chrome must use all of his scientific knowledge to escape from his prison and save Senku and others.
Senku decides to use the Steam-Gorilla to capture The Miracle Cave. Using Lillian's recording, Senku gains the trust of more of Tsukasa's men. Ukyo reveals he saw Yuzuriha's secret mission to reassemble the fragments of statues Tsukasa destroyed.
The Final Battle for the miracle cave starts as Senku and the Kingdom of Science conduct a frontal assault on the cave.
Senku demands a truce from Tsukasa in return for reviving his sister, Mirai, who Tsukasa comes to know is alive, but a new problem shows us when Hyoga shows his true self.
Senku demands a truce from Tsukasa in return for reviving his sister, Mirai, who Tsukasa comes to know is alive, but a new problem shows up when Hyoga shows his true self.