The WORST episodes of Dr. STONE

Every episode of Dr. STONE ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Dr. STONE!

When a mysterious light suddenly engulfs Earth, humanity is left petrified, frozen in stone. Thousands of years later, the world is teeming with vegetation, and forests have taken the places of cities that once stood proudly. One of the very first to emerge from their stone prison is Taiju Oki, who finds that his good friend, a brilliant young scientist named Senkuu, has been preparing for his awakening. While Taiju wishes to save the girl he loves, Senkuu is determined to figure out the cause behind the strange phenomenon and restore the world to its former glory.

Last Updated: 5/9/2025Network: Tokyo MXStatus: Continuing

7.15

140 votes

#1 - 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.

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7.17

111 votes

#2 - 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.

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7.55

106 votes

#3 - 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.

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7.56

110 votes

#4 - DOCTOR VS. DOCTOR

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

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

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7.57

114 votes

#5 - 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.

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7.58

191 votes

#6 - 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.

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7.63

226 votes

#7 - 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.

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7.64

191 votes

#8 - Eyes of Science

Season 3 - Episode 4 - Aired 4/27/2023

The morse code signal reading "WHY" saturates the airwaves too much for Ukyo to pinpoint a direction, so the Kingdom of Science works on a way to visualize the signal.

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7.65

108 votes

#9 - LOCK ON

Season 4 - Episode 8 - Aired 2/27/2025

NASA scientist Dr. Xeno attempts to pick off the leader of the Kingdom of Science.

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7.65

185 votes

#10 - 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.

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7.70

102 votes

#11 - 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.

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7.70

99 votes

#12 - Dirty Roads

Season 4 - Episode 10 - Aired 3/13/2025

With Senku still confined to the bed, Chrome's team begins work on the tunnel to Xeno's base.

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7.71

415 votes

#13 - 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.

Directors: Kentarou Kawajiri, Shinya Iino, Yûsuke Onoda

Writer: Yuichiro Kido

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7.71

161 votes

#14 - Total War

Season 3 - Episode 16 - Aired 11/9/2023

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.

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7.72

192 votes

#15 - Ray of Despair, Ray of Hope

Season 3 - Episode 7 - Aired 5/18/2023

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.

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7.74

198 votes

#16 - Greed Equals Justice

Season 3 - Episode 2 - Aired 4/13/2023

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.

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7.74

182 votes

#17 - 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.

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7.74

290 votes

#18 - 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.

Directors: Kentarou Kawajiri, Shinya Iino

Writer: Yuichiro Kido

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7.75

505 votes

#19 - 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.

Directors: Hideaki Oba, Shinya Iino

Writer: Yuichiro Kido

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7.75

111 votes

#20 - Dr. X

Season 4 - Episode 4 - Aired 1/30/2025

The search party narrowly escaped enemy machine gun fire. Unfortunately, the respite was short-lived.

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7.75

106 votes

#21 - The Two Scientists

Season 4 - Episode 7 - Aired 2/20/2025

Senku had gotten his start in rocket building through an email exchange with Doctor Xeno. Their approaches to science soon diverged.

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7.78

187 votes

#22 - Science Vessel Perseus

Season 3 - Episode 5 - Aired 5/4/2023

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.

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7.79

533 votes

#23 - KING OF THE STONE WORLD

Season 1 - Episode 2 - Aired 7/12/2019

Taiju and Senku are about to revive Yuzuriha, when they get attacked by lions.

Directors: Nana Harada, Shinya Iino

Writer: Yuichiro Kido

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7.79

159 votes

#24 - JOKER

Season 3 - Episode 17 - Aired 11/16/2023

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.

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7.80

171 votes

#25 - Battle in Three Dimensions

Season 3 - Episode 15 - Aired 11/2/2023

Moz and the Kingdom of Science form a tenuous, temporary alliance against Ibara. How long it will last is a question they can't afford to concern themselves with just yet.

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