Doraemon: Nobita and the Platoon of Iron Men

Jealous of Suneo's new robot toy, Nobita asks Doraemon to build him an even better one. Doraemon initially refuses, until Nobita accidentally discovers pieces of a mysterious robot that falls from the sky. After gathering all the robot parts and assembled them together, the giant robot, Zanda Claus, is soon completed. The duo soon learn that the robot is not a mere toy, but a powerful weapon in the fight against the coming Robot Army that is going to attack Earth and enslave the human inhabitants of it. An invasion is near, as a mysterious girl Riruru shows up, looking for the robot.

Nobita has been having a weird dream about a boy named Roppel and his strange companion Chami traveling in space. By a twist of fate, he met them in person where it turns out that they are real and that they were being pursued in space, causing their space vehicle to malfunction, connecting the space vehicle itself with Nobita's room. They journeyed to Roppel's planet and amidst their enjoyment, Nobita and Doraemon pledged to help Roppel's planet free from their oppressors.

Doraemon created a hideout for everyone in an underground cave and Suneo got lost. Everyone came back out except Suneo. After finding out that he was lost the entrance was broken. They have to find another entrance to the caves and end up in a dinosaur world. Vanho , a soldier rescued them and said that he found Suneo. When they found Suneo they found out about Vanho's people's plans. Their plan it to study Doraemon's group as human specimens and take over Earth's suface .

Doraemon and friends travels into another world via the time machine; where humans and robots are living together. However they soon find out that the Empress of Robot Kingdom was trying to capture robots there and turn them emotionless. As the situation goes tense, our heroes sets out to stop the Empress and her plan.