Crayon Shin-chan: Pursuit of the Balls of Darkness (1997)

Everyone's favorite TV superhero Action Mask shows up in Kasukabe, and he's trying to get something from Shin-chan -- but what could it be?

Nobita and Doraemon use time tree Mochi and catch a big bird, which has been extinct for 500 years ago. To protect the animal, Nobita and Doraemon go to Beremon Island, overseen by a golden beetle named Herakles.

Doraemon and his friends travel to the 22nd century to look for his golden bell, which was stolen by a notorious thief called Kaito DX.

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.

When Suneo does not show Nobita the fossil of a dinosaur claw, he takes up a challenge to find a dinosaur. He digs up a hillside and finds an egg, which later hatches and becomes a dinosaur.

Nobita helps Doraemon to create a space movie. After Dekisugi fails to help them, the duo rope in Shizuka, who prefers to make a film about dolls.

Tokyo, Winter. Despite the use of the Youth Ordinance Bill to enforce curfews for minors and regulate the use of the Internet, young people continue to fight for their own freedom through underground methods. One such group calls themselves Surat. They have decided to take on Fumito Nanahara, a man who has great influence on the political world, and basically controls Tokyo with an iron fist. While using the Internet as a weapon to discover more information about Fumito, they learn about "Tower", the secret organization behind Fumito which engages in human experimentation.

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.

Nobita and his friends find a portal to a mysterious resort filled with metal buildings. They soon discover that the person who opened the portal for them has an ulterior motive.

Nobita finds a small plant still in a container at an abandoned area and decides to take it home. His mother asks him not to put it on their garden because it won't have space to properly grow.