Suika and Ginro work together to rescue the mobile lab from the Perseus. Reunited with Senku and the others, the group works on items to help Kohaku with the selection process.

Much to Ibara's shock and dismay, Senku devised a plan and managed to escape petrification. Now the two enter into a head-to-head battle for control of the Medusa device.

The Perseus arrives at the treasure island. A recon squad consisting of Senku, Soyuz, Kohaku, and Gen set off to locate the platinum and make contact with the islanders. Ukyo later discovers something on the seafloor and send Ginro to investigate.

Yo and the Kingdom of Science capture the petrification device, but Ibara isn't going down without a fight.

The Perseus crew are on their way to the treasure island, the birthplace of the Hundred Tales, where they hope to locate the treasure box left behind by the Soyuz crew.

Yo and the Kingdom of Science capture the petrification device, but Ibara isn't going down without a fight.

Kaseki's efforts to build the science vessel Perseus hit a roadblock when he realizes that it's impossible to get all the parts to fit in practice.

Yo and the Kingdom of Science capture the petrification device, but Ibara isn't going down without a fight.

Senku, brings along a team to look for the Sagara Oil Fields. Meanwhile, Suika and Francois go truffle hunting.

The Kingdom of Science members launch an attack on the islanders aboard the Perseus, but Moz isn't far behind and Senku and the others are forced to retreat inside the vessel. Ibara has them cornered, but Senku unleashes his Joker card.

The Kingdom of Science will need rations to last them through their voyage to the other side of the world. But Senku, being no professional, burns all the bread he attempts to bake.

The Kingdom of Science members launch an attack on the islanders aboard the Perseus, but Moz isn't far behind and Senku and the others are forced to retreat inside the vessel. Ibara has them cornered, but Senku unleashes his Joker card.

While continuing to use the hot air balloon to search for the oil, it's decided that Ishigami Village needs to take up agriculture to prevent future food shortages, as well as to produce preserved food for their upcoming sea voyage.

The Kingdom of Science members launch an attack on the islanders aboard the Perseus, but Moz isn't far behind and Senku and the others are forced to retreat inside the vessel. Ibara has them cornered, but Senku unleashes his Joker card.

Kohaku has located the treasure left behind by Byakuya and the others, but it's encased in concrete. Senku has to devise a plan to quietly get at the contents inside, so as to not alert the guards.

The Kingdom of Science attacks and tries to execute their plan to steal the petrification device. Moz convinces Kirisame to use the device, but Ryusui's instincts tell him something is off about the situation.