Nobita and his friends embark on a rescue mission to save Gian and Suneo, whom, after playing one of Doraemon's futuristic video games, are held captive by an evil alien force.

Doraemon and friends find themselves in an interstellar war where an army (based on the Galactic Empire) is trying to take over Earth. Of course, our heroes joins another army (based on the Rebel ...

The series revolves around an earless robotic cat named Doraemon, who travels back in time from the 22nd century to aid a boy named Nobita Nobi.