The WORST episodes of Dr. STONE

#1 - WHY-MAN

Season 4 - Episode 36 - Aired 6/18/2026

#2 - RYUSUI VS. SENKU

Season 4 - Episode 1 - Aired 1/9/2025

Senku and his companions finally set off for America in search of corn. However, a dispute arises between Ryusui and Senku shortly after they depart.

#3 - SCIENCE JOURNEY

Season 4 - Episode 2 - Aired 1/16/2025

Maintaining morale will be critical on the long journey to the Americas. Knowing where on the ocean you are is pretty important, too. The crew of the Perseus discuss.

#4 - EARTH RACE

Season 4 - Episode 14 - Aired 7/17/2025

Senku and company must flee from Stanley's ship, but they have to make stops to refuel.

#5 - DIAMOND HEART

Season 4 - Episode 18 - Aired 8/14/2025

The team discovers a giant pile of petrification devices. They take them apart to see what makes them tick.

#6 - FIRE

Season 4 - Episode 26 - Aired 4/9/2026

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

#7 - DOCTOR VS. DOCTOR

Season 4 - Episode 5 - Aired 2/6/2025

Tensions rise as Dr. Xeno makes his introductions to the Perseus.

#8 - Sickening Yet Beautiful

Season 4 - Episode 17 - Aired 8/7/2025

Senku and his team have lost Stanley for now, but they aren't out of -- or rather, in -- the woods just yet.

#9 - STONE SANCTUARY

Season 4 - Episode 19 - Aired 8/21/2025

The team begins making, digging for, and polishing diamonds to replace the burnt-out ones inside the devices.

#10 - Dawn of the Computer

Season 4 - Episode 28 - Aired 4/23/2026

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

#11 - The Universe Is Written in the Language of Mathematics

Season 4 - Episode 27 - Aired 4/16/2026

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

#12 - TREASURE BOX

Season 3 - Episode 6 - Aired 5/11/2023

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.

#13 - Light of Science

Season 4 - Episode 9 - Aired 3/6/2025

With Senku having been shot, the Kingdom of Science plots its retaliation against Dr. Xeno.

#14 - UNKNOWN KNOWN

Season 4 - Episode 31 - Aired 5/14/2026

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

#15 - The Escape

Season 4 - Episode 15 - Aired 7/24/2025

With Stanley's ship hot on their tail, can science help Senku and company escape?

#16 - SCIENCE WARS

Season 3 - Episode 10 - Aired 6/8/2023

Amaryllis, Ginro and Kohaku are chosen to join the inner palace. The science team will need a way to communicate with them in secret, and, eventually, a way for them with the science team.

#17 - Watching the Same Moon

Season 4 - Episode 13 - Aired 7/10/2025

The team head to the source of the petrification beam in South America as they flee from Stanley's ship.

#18 - SCIENCE IS ELEGANT

Season 4 - Episode 6 - Aired 2/13/2025

Stanley orders Luna to infiltrate the Perseus and identify Doctor Taiju. Things go sideways when it turns out to be a little too easy.

#19 - A Flimsy Alliance

Season 1 - Episode 10 - Aired 9/6/2019

Senku and his kingdom of science successfully test the first lightbulb since the collapse. Meanwhile, Asagiri Gen, a spy from Tsukasa’s empire, is killed by an unknown attacker.

#20 - MEDUSA MECHANISM

Season 4 - Episode 16 - Aired 7/31/2025

The team is going to need a weapon for when Stanley inevitably catches up to them.

#21 - Light Trap in the Darkness

Season 4 - Episode 3 - Aired 1/23/2025

The Perseus lands in the Americas. They first head to Northern California in search of yellow dent corn, but discover a lot more than that.

#22 - NEW WORLD MAP

Season 3 - Episode 1 - Aired 4/6/2023

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.

#23 - Weapons of Science

Season 1 - Episode 3 - Aired 7/19/2019

Tsukasa has learned about the cave where the nitric acid is collected. The race is on between Senku and Tsukasa to restore humanity in their respective visions.

#24 - STEAM GORILLA

Season 2 - Episode 5 - Aired 2/11/2021

The kingdom of science builds a steam engine. They use it to set up base closer to Tsukasa’s empire.

#25 - Beautiful Science

Season 3 - Episode 9 - Aired 6/1/2023

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.