Seasons & episodes

S4 · E25Future Engine 2026-04-02 · 24 min＋

Senku and Dr. Xeno team up to gather the materials needed to make a rocket engine.

S4 · E26Fire 2026-04-09 · 24 min＋

The crew arrives in Spain, where they collect fluorite, olive oil and some treats.

S4 · E27The Universe Is Written in the Language of Mathematics 2026-04-16 · 24 min＋

The New Perseus sets out to India to recruit mathematicians for the space program.

S4 · E28Dawn of the Computer 2026-04-23 · 24 min＋

The computer that the team is building is a series of toroidal tubes. Senku explains.

S4 · E29The Truth About the Rocket 2026-04-30 · 24 min＋

The team gets to work wiring up several megabits' worth of memory donuts for their computer.

S4 · E30Stone to Space 2026-05-07 · 24 min＋

The team will need a stupidly insane amount of electricity to turn their bauxite into an aluminum rocket body.

S4 · E31Unknown Known 2026-05-14 · 24 min＋

With the computer completed, the team will need a user interface: a TV.

S4 · E32Challengers of Science 2026-05-21 · 24 min＋

The Kingdom of Science's rocket launches are mired by a string of rapid unscheduled disassemblies.

S4 · E33Wanting Everything 2026-05-28 · 24 min＋

The team is too small to build a round-trip rocket. They'll need to enlist help from around the world.

S4 · E34Countdown 2026-06-04 · 24 min＋

Ryusui may need to defer to a better pilot for the moon mission.

S4 · E35Giant Step 2026-06-11 · 24 min＋

The rocket needs to be assembled in space. Not an easy feat in the 21st century, let alone in the stone world.

S4 · E36Why-Man 2026-06-18 · 24 min＋

The team sets foot on the moon to confront Why-Man.

S4 · E37Ushers of an Exhilarating Future 2026-06-25 · 24 min＋

Senku offers Why-Man more exhilaration than they can handle.