Music exists in our daily lives for granted. But what would happen if music disappeared from the earth? This is a completely original story about Doraemon and his friends who are trying to save the earth from a crisis with the familiar theme of music!
During a Japanese robotic exploration to find life on the other side of the moon, Nobita is watching from Earth and sees the moon turn yellow. With the help of Doraemon, the pair travel to the moon and create bunnies that will build their own colony. After he returns, Nobita tells his class about their adventure but no one will believe him. That is until a new student and his sister arrive who appear to come from a very far away place.
Nobita travels to the future to show his beloved grandma his bride, but adult Nobita has fled his own wedding.
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.
One day during summer vacation, a palm-sized alien named Papi appears from a small rocket that Nobita picks up. He is the president of Pirika, a small planet in outer space, and has come to Earth to escape the rebels. Doraemon and his friends are puzzled by Papi’s small size, but as they play together using the secret tool “Small Light”, they gradually become friends. However, a whale-shaped space battleship comes to earth and attacks Doraemon, Nobita and the others in order to capture Papi. Feeling responsible for getting everyone involved, Papi tries to stand up to the rebels. Doraemon and his friends leave for the planet Pirika to protect their dear friend and his home.
After bringing a fossilized egg back to life with the Time Cloth, Nobita finds himself the owner of a baby dinosaur. Everything is fine until it grows up. Nobita and friends use Doraemon's time machine to return it back to its own time.
Upon hearing about the story of Treasure Island, Nobita dreams of discovering and exploring his own treasure island, despite the fact all of the Earth has been mapped already.
Doraemon and his friends travel to ancient Japan where they meet Kukuru. When Kukuru tells them that his tribe has been enslaved by Gigazombie, Doraemon decides to help him.
When Nobita goes diving with Doraemon, a mermaid named Sophia comes close to him and they all befriend her. When they proceed towards her kingdom, they encounter a fight between two opposing tribes.
Nobita accidentally finds a fossil dinosaur egg mixed with rocks in the dinosaur fossil exhibition site that he had visited before. He returns it to its original state with the 'time blanket'.
