The Secret of the Fourth-Dimensional Pocket

The story takes place in a world parallel to the original, featuring not only Doraemon, Nobita, and their friends, but also several new gadgets and characters. The biggest difference in this parallel world is that Doraemon's fourth-dimensional pocket has mysteriously lost some of its abilities. He must find the missing gadgets and restore the pocket's functions. Along the way, Doraemon, Nobita, and their friends embark on a brand-new adventure. They travel to a mysterious city of the future, explore the deep sea, and enter a fantastical world in the sky, facing all kinds of unknown challenges and dangers. During their new adventure, they meet strange creatures and robots from the future and other parallel worlds. They also learn more about the importance of friendship, courage, and responsibility.