A sapling Nobita discovers is turned into a plant-boy with help from Doraemon, and becomes Earth's only hope at passing judgment from the dryadic aliens of the Green Planet.

When a malevolent entity intent on eradicating music from the world surfaces, Nobita and his friends must unite with supernatural companions to safeguard the planet.

Nobita finds a passage to a spaceship in another dimension. With their new friends, he and Doraemon fight the cruel leader of an exploited planet.

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.

During summer vacation Nobita picks up a small rocket containing Papi, a palm-sized alien president escaping rebels on his home planet Pirika.

Doraemon, Nobita and his friends go to find Utopia, a perfect land in the sky where everyone lives with happiness, using an airship having a time warp function.

20 years after his escape from Impel Down, the legendary pirate Shiki, the Golden Lion, reappears causing massive upheaval to the Marines. During his long seclusion, he was able to come up with a scheme to bring the World Government to his knees. On his way to execute the plan, Shiki crosses paths with the Straw Hat Pirates and becomes so impressed with Nami's knowledge of meteorology that he abducts her to forcedly enlist her into his crew. Luffy and the gang end up on a strange land populated with monstrous beasts as they desperately search for Shiki and Nami.

Hyperspace Boy Wonder Seven is a fictional tokusatsu, mentioned in TV series Giant Robot Mikazuki. This single 25-minutes episode of the "Wonder Seven" was released in 2001 as bonus with the "Tekkōki Mikazuki" DVD-box.

Nobita is followed by a stray dog on his way home and decides to help it find its original owner with the help of Doraemon. They find out that the dog is actually a prince in its homeland in Africa.

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.