The kingdom of science moves to Tsukasa’s scout, Homura, so that they can deploy their newly built cell phone in their base.

Senku and the kingdom are going to need rations to be well during their attack on Tsukasa’s empire. There’s a science for that.

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.

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.

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

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.

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.

A merchant from the east brings Hinata Sakaguchi a new book. In it she finds surprising information about the Jura Tempest Federation, a nation of monsters. As a former student of Shizu's, what goes through Hinata's mind upon learning about the existence of Rimuru? This special episode gives some hints as to what's coming in the new arc, as well as a look back at Rimuru's exploits thus far.

A merchant from the east brings Hinata Sakaguchi a new book. In it she finds surprising information about the Jura Tempest Federation, a nation of monsters. As a former student of Shizu's, what goes through Hinata's mind upon learning about the existence of Rimuru? This special episode gives some hints as to what's coming in the new arc, as well as a look back at Rimuru's exploits thus far.

Touka awakens in a familiar place—Is it the past? Is it a dream? Whatever it is, he'll need to solve the mystery before time runs out for him and Yuna!

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.

The Leannán Sídhe begs Chise for her help: Joel is on his death bed, and she can only seem to make things worse. Chise vows to do what she can to turn that around.

Noé unwilling taps into Jean-Jacques memories and learns what happened to him and how he befriended Chloé. The Beast's true identity and the vast conspiracy behind it also come to light. Vanitas tries to stop Chloé from activating the Alteration Engine.

Megumin has finally achieved her dream of learning Explosion magic, but it takes more than massive eruptions of power to make a living. Saving enough money to set out on her journey might take longer than she ever thought.

Megumin has finally achieved her dream of learning Explosion magic, but it takes more than massive eruptions of power to make a living. Saving enough money to set out on her journey might take longer than she ever thought.