Dr. Stone: Ryusui
TMS Entertainment
When to watch: Best watched after Episode 35 of Dr. Stone for full context.
An hour-long TV special that aired July 10, 2022, placed between Stone Wars and New World. Dr. Stone: Ryusui is a direct continuation of the main story, centering on the titular Ryusui Nanami, an experienced sailor the Kingdom of Science recruits to captain the ship needed to cross the ocean in the New World arc. The special also includes an in-universe stage play, "The Mysterious Light," retelling Senku's journey from petrification through his discovery of the revival fluid, narrated by Kohaku with Chrome playing Senku.
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Frequently Asked Questions
Is Dr. Stone: Ryusui canon, and when should I watch it?
Yes, it's a canon continuation of the main story. Watch it after finishing Stone Wars (episode 35) and before starting New World (episode 36) — it directly introduces Ryusui, who becomes a main cast member for the ocean-voyage arc that follows.
What is the stage play inside Dr. Stone: Ryusui?
The special includes an in-universe theatrical retelling of Senku's original petrification-to-revival journey, titled "The Mysterious Light," narrated by Kohaku with Chrome playing the role of Senku — a fun recap device rather than new plot content.