One day Doraemon, Nobita, Shizuka, Gian and Suneo were shooting a film as space heroes. When they were shooting the film in the open lot a boy called Aron comes and alerts them of aliens attacking his planet. They agree to help him by turning into real superheroes, but it isn't as easy as it looks.

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.

Nobita’s troubled about what to do with his zero test marks once again. A gust of wind scatters his test papers and he falls into a garbage dump trying to gather them together again. There he finds a young withered tree that caught one of his papers and he decides to take it home. He tries to plant it in his garden but gets caught by his mother who doesn’t allow him to grow it.

Nobita and Doraemon find a giant robot in pieces which they later assemble. It turns out to be a destructive weapon and the gang must save Earth from an imminent invasion.

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.

An elderly dog goes to a time machine, which he plans to use to drive to the future so he can meet with "someone" who gives him a kendama. However, the machine goes haywire and the dog is regressed back to his infant state, eventually found by a researcher cat.

Zorori, Ishishi, and Noshishi search for a meteor that sunk in the ocean. When under attack by octopi, Zorori accidentally launches his submarine into space and land on another planet.

Zorori, Ishishi, and Noshishi search for a meteor that sunk in the ocean. When under attack by octopi, Zorori accidentally launches his submarine into space and land on another planet.

Robotic cat Doraemon is sent back in time from the 22nd century to protect 10-year-old Noby, a lazy and uncoordinated boy who is destined to have a tragic future. Doraemon can create secret gadgets from a pocket on his stomach, but they usually cause more bad than good because of Noby's propensity to misuse them.