Doraemon warns that taking Earth's energy will result in its destruction. Due to which, Nobita and his friends, along with Flock and Sarah attack the pirate ship again. Gian and Suneo stay behind to occupy the pirates while Nobita, Doraemon, Flock and Sarah confront Captain Silver directly. While Nobita and Doraemon delay the activation of the pirate ship's engine, Flock is able to seize control of the ship and eject the energy back into Earth. Captain Silver realizes his mistakes about neglecting his children and abandons his plans, where he promises to be a better father to them. Afterwards, Flock, Sarah, Captain Silver and the rest of the crew return to their own time while Nobita and his friends return home with Nobita gaining a new appreciation for his own father Nobisuke.