小原惠（配音：大雄）inated by the galactic bravery portrayed in the TV series,《银河防卫队》. The courageous heroes left an indelible mark on his mind. He yearned to emulate their valorous deeds someday.
One day, he stumbled upon Master Fu's (配音：小夫) house and found to his surprise, the Master had acquired the costumes of the heroes from the series, along with a camera! Determined to produce their very own heroic TV show featuring himself, Panda (配音：肥虎) and Xiang Hong (配音：静香), he was caught off guard when an extraterrestrial named Alan (配音：艾伦) from a galaxy under siege by space pirates, witnessed their playful scene.
Alan, in dire need of help, had arrived on Earth to assemble a rescue team. He entrusted the hopes of saving his home planet to these seemingly powerful 'heroes' he encountered. Unbeknownst to them, they were about to embark on an interstellar adventure beyond their wildest dreams!
