Toward the Terra (1980)

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

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.

In the underground Diamond Domain, where many Carbink live, the Mythical Pokémon Diancie serves as ruler. The Heart Diamond that sustains the land is beginning to fall apart, and Diancie is not yet strong enough to create a new one. While seeking help from the Legendary Pokémon Xerneas, Diancie encounters a group of thieves who want to take control of its diamond-producing power–and who awaken the Legendary Pokémon Yveltal from its cocoon in the process! Can Ash and his friends help Diancie discover its true power, stop Yveltal’s rampage, and save the Diamond Domain?

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.

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

Once the ruler of an entire universe, the Great Spirit Mata Nui finds himself cast out of his own body, his spirit trapped inside the fabled Mask of Life, hurtling through space. After landing on the far-away planet of Bara Magna, the mask creates a new body for Mata Nui, who unwillingly gets caught up in the furious battles of the nearly barren and dangerous planet.

Doraemon and his friends have to rescue the people of Birdopia from the wrongdoing of vengeful former bird troopers before they unleash a wicked ancient dragon.

In the city of Oedo 2808a.d., three Cyber criminals are given two choices, to either rot in jail or to join a special force of the Cyber Police to get possibly one more chance at freedom ever again. For each criminal apprehended, and for each successful mission done, the state will agree to reduce their sentences. Lead by Hasegawa, the new recruits: Sengoku, Gogul, and Benton will bring some hard justice to Oedo and possibly taste freedom again.

After a typhoon hits Nobita's town, he and Doraemon discover a wind sprite who, with some help from Doraemon's 22nd-century tech, takes them and their friends to a fantastic world of wind and storm people. But the wind sprite, named Fuuko by Nobita, had brought them to her world for a reason, as her peoples' gods are battling, and Suneo might be a key player in their feud.