Ninja Boy Rantaro
Ninja Boy Rantaro is not streaming on a US subscription app right now, as of October 5, 2026.
Rantarō, Shinbei and Kirimaru are ninja apprentices in the Ninja Gakuen, where first grade ones are called "Nintamas". They must learn everything a ninja must know, but as for our heroes, money, food or playing are more interesting. The series show the everyday adventures of our heroes.
Where to watch
Not currently available for streaming in the US.
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