Doraemon

On a normal afternoon, Doraemon's bell is stolen by Kaito Deluxe, a thief from the 22nd Century. Determined to get it back, Nobita and co. decide to pursue him and take back the bell that is hidden inside the 22nd Century's Secret Gadget Museum. Source: ANN

Nobita asks Doraemon to take him somewhere they can dive, and as a result the robot-cat uses several gadgets to make it possible for both to swim in an imaginary ocean above the sea level. Inadvertently, a mermaid ends up on Nobita's backyard when they turn off the illusion. Her name is Sophia and she is a princess of an ancient underwater civilization. Doraemon, Nobita,…

After suffering yet another scolding from his parents, Nobita begins to suspect that they are not really his father and mother. Along with Doraemon, he decides to go back in time to the day of his birth in order to discover the truth. ~ translated from the Italian wikipedia

Doraemon and Nobita were using special shoes that allows them to jump into the worlds of the books that they want. Nobita let Shizuka use those shoes to enter the world of the book that she wants. Shizuka got lost in one Nobita's Sinbad Legend of the Seven Seas book. After Nobita's mother burned all of his books, Doraemon and the others must find another way to save Shizuka.…

Nobita went to a world of animals through the Wherever Gas, the substance to let you travel anywhere, same as the Wherever Door Doraemon uses. They came across with Chippo, a boy who looks like a dog and very adventurous. A group called Numiges plans on taking over the animal planet. Doraemon and friends plan to stop them with the animal's help. Source: ANN

* Based on a popular long-running manga series created by Fujiko F. Fujio and published by Kodansha in various of its magazines for children. While trying to decide where to spend three days of their summer vacation, Doraemon suggests Nobita, Shizuka, Suneo, and Takeshi an underwater adventure. While exploring the ocean, they end up discovering a civilisation that has been…

Nobita's dad stumbled upon a strange advertisement of a fantastic resort on television at midnight. Sleepy as he was, he made a reservation even though he didn't even realize he was talking to the advertisement. The next day he discussed with the family their holiday plans, only to realize he could not find the place anywhere on earth. All of a sudden though, there was a…