Kaitei no Boukun - Recommendations

Alt title: The Underwater Tyrant

If you're looking for anime similar to Kaitei no Boukun, you might like these titles.

Taa-chan no Kaitei Ryokou

Taa-chan no Kaitei Ryokou

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Urashima Tarou (1931)

Urashima Tarou (1931)

One day, a kind fisherman saw a giant sea turtle being bullied by a pair of children. Out of empathy the fisherman pays the children and saves the turtle – but he’s no ordinary turtle! Soon after, the man embarks on a grand adventure under the sea, with the help of his newfound friend.

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Umi no Mizu Hanaze Karai

Umi no Mizu Hanaze Karai

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Ahiru no Otegara

Ahiru no Otegara

A duckling tries to save the animals when a storm hits their farm.

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Hibari no Yadogae

Hibari no Yadogae

The life of a lark is never dull! Whether it’s chatting amongst themselves, gathering, or even fighting the small enemies that dwell near them, the larks will always live to see another day – even if it means having to move.

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Kokka Kimigayo

Kokka Kimigayo

Against a backdrop of the Japanese national anthem, patriotic images are shown, from Mt. Fuji to the sea of Japan, to the country itself and beyond.

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Saru Masamune

Saru Masamune

A man wanders, inevitably getting involved in situations where he goes. From the mountains to hillsides alike, he sees beautiful scenery and takes naps along the way, only to find a cruel sight: a mean man threatens to shoot a poor monkey and its child in a tall tree. The man stops the other, and the monkeys insist upon repaying him for his kindness…

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Kangaroo no Tanjoubi

Kangaroo no Tanjoubi

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Umi no Momotaro

Umi no Momotaro

Deep within the ocean, an enormous shark attacks a nearby submarine, kicking off a harrowing battle between them! The submarine fights back valiantly with torpedoes while the shark evades and flips his fins in return, but ultimately only one will prove victorious. Who will emerge the winner?

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Taro-san no Kisha

Taro-san no Kisha

Aboard a steadily moving train, countless passengers enjoy an interesting ride. Hippos litter the aisles with banana peels, horses drink plentifully and various others wait patiently to use the restroom. Along the way, the young conductor dutifully walks through the cars, keeping peace wherever he goes.

I agree