Hikaru no Go

Season 3, Episode 4: Keichou Flowerpots

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This episode shows us a young Hikaru, back from 7th grade before the Insei exam. When Sai is disturbed by the owner of a pottery shop, with a face like a toad, Hikaru/Sai must beat the owner who turns out to be a 5dan to prove to everyone what a cheat the owner is. But can he turn around his own play, and win a game someone else has already resigned to help a young girl?