Doraemon: Nobita and the Castle of the Undersea Devil (1983)

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.

Shizuka ends up in the fantasy world of the 'Arabian Nights' story. However, Doraemon, Nobita, Suneo, and Jyaian must find her from the imaginary Middle East and bring her back to the real life.

After an old wizard is freed from a mysterious tomb, Doraemon, a robotic cat, along with Nobita Nobi, a pre-teen boy, goes to the Wind Village in order to prevent any mishaps there.

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.

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

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.

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 Nobita discover a mysterious golden ring far beneath the ice in Antarctica, leading them to uncover an ancient, ruined city.

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.

Doraemon went missing for 3 days. But it turns out later that he went to the 22nd century to buy a mystery galactic express train ticket whose destination is a secret until the passengers arrive there and see for themselves.