

Dr. Stone: Ryusui
Dr.STONE 龍水
Now that brains and brawns have united forces, the next step in Senkuu's plan to unravel the mystery behind the green light that once petrified humanity is to go to the other side of the Earth and investigate its origin. However, to achieve this, Senkuu must first build a ship. With the help of Tsukasa Shishiou's former underlings, the base of the ship is rapidly assembled, but there is one missing piece: a skilled captain. During their search, Senkuu and his crew come across a petrified Ryuusui Nanami—the heir of the biggest maritime conglomerate, known for his vast knowledge of sailboats but unpleasant personality. Despite this, Senkuu takes the risk and revives Ryuusui. Ryuusui, upon realizing there are no ownership rights in this new civilization, is excited at the prospect of claiming everything for himself. But before he agrees to play a crucial part in their upcoming journey and command the vessel through the restless seas, he and Senkuu must find the king of fuels to power the ship—oil. [Written by MAL Rewrite]
Now that brains and brawns have united forces, the next step in Senkuu's plan to unravel the mystery behind the green light that once petrified humanity is to go to the other side of the Earth and investigate its origin. However, to achieve this, Senkuu must first build a ship. With the help of Tsukasa Shishiou's former underlings, the base of the ship is rapidly assembled, but there is one missing piece: a skilled captain. During their search, Senkuu and his crew come across a petrified Ryuusui Nanami—the heir of the biggest maritime conglomerate, known for his vast knowledge of sailboats but unpleasant personality. Despite this, Senkuu takes the risk and revives Ryuusui. Ryuusui, upon realizing there are no ownership rights in this new civilization, is excited at the prospect of claiming everything for himself. But before he agrees to play a crucial part in their upcoming journey and command the vessel through the restless seas, he and Senkuu must find the king of fuels to power the ship—oil. [Written by MAL Rewrite]
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dANGERJet409
August 20, 2025
Even though Dr. Stone: Ryusui is just one episode, it’s an absolute must-watch. The story is clever and unique, keeping the momentum and immersive world of the series alive while adding fresh excitement. The art style and animation perfectly match the adventurous and inventive tone of the series, making every scene visually engaging. The characters are well-rounded, with strengths, flaws, and believable reactions, and the new interactions in this episode feel natural and fun. Fans of Dr. Stone or shonen in general will likely enjoy this episode, even if they aren’t usually into anime, because it delivers the same creativity, charm, and energy the seriesis known for.
McKanime92
July 10, 2022
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I always expect Dr. Stone to give us great science tidbits that tie tot he plot and make you feel like you learned something without it getting too expository. What I wasn't expecting was for them to turn their magic towards economics -- and not only that, show a rarely positive depiction of capitalism and market economics in the process! In it we see Ryuusui get reborn in order to pilot a sailboat to the other side of the world, as well as help discover oil that would power the world in the days ahead. He might be money-hungry, but in doing so, he created thisworld's first currency -- the drago, which is backed by the promise of discovering oil that will be bought from him once he acquires the rights to it as part of the deal. See, the currency might have just been him stamping a design on a piece of paper, which makes viewer go "how does that have any value at all?" But the key is that it has value because it's backed by the soon-to-be-discovered oil, which the people of Ishigami Village trust will be discovered because of their collective determination and Senku's genius. And that's what currency is -- a medium of exchange backed by something people find valuable. IRL it was gold, today it's the full faith and credit of the issuing government, but here it's oil -- the king of energies. And this money soon becomes even more valuable as a means of exchange because the pursuit of acquiring it to buy goods drives people to work harder for it. They gain dragos by making hemp thread, selling food to fellow workers, or buying clothes made by Yuzuhira from the leftover hemp that wasn't good enough for the hot-air balloon that would take them to see the oil fields eventually. It does not take an economics major to see just how influential this rudimentary capitalistic setup is at driving not just harder work, but more *valuable* work -- and the scientific and human achievements that were created as a result. We tend to take it for granted in modern society, but we wouldn't have a lot of the luxuries, comforts, and discoveries we have now we're it not for capitalism, free markets, and as importantly, the introduction of money that we all trust as a method of exchange. The science parts are also all fantastic, but it's Dr. Stone, of course they're going to be. And Gen using the power of money to swindle Ryuusui was pretty genius as well. Summarizing the story as a stage play in the beginning because it was for Tsukasa's men to get them to build the great pirate ship for Season 3 was a unique spin on the typical "previously on..." that we expect from a shonen series. All in all, a great hour of television and i'm more than ready for Season 3!
yoman21a
July 10, 2022
I'll keep this one short and sweet. If you've liked Dr. Stone previously, this is not one you are going to want to miss out on. It provides an important link between seasons while maintaining the same Dr. Stone feel we have come to love. I could go through all the individual scores, but read literally any other Dr. Stone review and it will be the same. I think it's easy to be critical on the fact that it felt like it may have cut some corners at some points, but this is completely original and canon all while keeping an important story arc moving while achieving thestory it set out to tell. Incredible job from the production team. If this special doesn't hype you up for the next season, why are you still watching?
slimysteak
July 10, 2022
This is Dr. Stone at its best. I felt a little disappointed by the 2nd season due to the science taking a back seat to mediocre action, but this got the show back on track. The new character, Ryuusui, was really interesting, and he added some pretty cool ideas into the world. The first thing the former multi-millionaire does after being stuck in stone for almost 3000 years is immediately create money and an economy. It's just great lol. The rest of the characters were as entertaining as ever, and the science was just as good as it was in the first season. Just a super funhour of anime, and I can't wait for more. If the 3rd season is anything like this, it's going to be very good. I'm excited.
GabyMoonie
July 22, 2023
This episode where Ryusui is introduced is a masterpiece. Design, personality and everything else that revolves around him is just great. Even though to some people he might be kind of a show off, to me it doesn’t feel that way. It seems like he just adds the right amount of comedy to the show that it lacked. Loved how they pirate-ified the original opening (replayed it around 354 times, and then after a few months I replayed it for another 400 times) I love the relationship Ryusui has with Senku, and I knew that pair was going to be amazing. Maybe I’m just fangirling it butRyusui is literally the greatest, there’s no other character in dr stone, he is a masterpiece, got nothing else to say.
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