Synopsis
Usagi-san was washed away by some large waves. He cheats a crocodiles to get home. When he does, he was so dirty that his friends abandoned him because he was unrecognizable.
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Doraemon: Nobita and the Knights on Dinosaurs

A girl named Olga is pursued by both the World Government and a man named Mad Treasure, as she is the only one who knows the location of the Pure Gold, a substance that can buy the entire world. Olga ends up sailing with the Straw Hat Pirates, and they journey to find the Pure Gold on the lost island of Alchemi, which is located inside the stomach of a large angler fish named Bonbori.
One Piece: Heart of Gold

The Straw Hats visits an island, known as Mecha Island, where a fisherman sings an old folk song about a Golden Crown. Searching for that mysterious treasure, they find a hidden entrance into the island. The island's leader, Ratchet, impressed with the find and in search of the Golden Crown himself, invites the crew to join him in his search and the crew along with Ratchet and his henchmen enter the cave. As it turns out, the islands true form, is that of a giant turtle. Ratchet, who had known this all along, uses his mechanical castle to take control of the turtle, in order to use it, to take over the world. Now the Straw Hats have to stop not only Ratchet, but also the helpless turtle, from crashing into a nearby island.
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Mai Mai Miracle

Sewashi and Doraemon find themselves way back in time and meet Nobita. It is up to Doraemon to take care of Nobita or else he will not return to the present.
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Lupin's plans to intercept two old glass photographic plates from being delivered to a mysterious art dealer named Mr. Suzuki misfires, and it doesn't help matters that Goemon and Jigen are suffering from... efficiency problems. Meanwhile, Inspector Zenigata has a new tag-along in the Lupin chase: the beautiful young reporter Maria. But what is Maria's connection to the mysterious Mr. Suzuki?
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Ryo Saeba works the streets of Tokyo as the City Hunter. He's a "sweeper" and with his sidekick Kaori Makimura, he keeps the city clean. People hire the City Hunter to solve their dangerous problems, which he does with a Colt Python. When Ryo's not working on a case, he's working on getting the ladies, and Kaori must keep him in check with her trusty 10 kg hammer.
City Hunter: Shinjuku Private Eyes

The Noharas go on an Action Mask-themed cruise, where all the grown-ups get kidnapped by a gang of monkeys. It's up to the kids to rescue them!
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A small, lone Kappa miraculously survives over 200 years into modern day Japan, when he is found by young Koichi. Coo, who is secretly adopted by Koichi's family, searches with his new human friend for unpopulated places in hopes of finding any remaining of his kind.
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