Doraemon Nobita and the Birth of Japan: Nobita wants to run away from his home, as depicted many times in various episodes. As a result of failing to find an ideal home, Nobita decides to make a makeshift place to live. However, he still cannot find a place to live due to land property ownership laws. At the same time, Shizuka, Gaian, Suneo and even Doraemon want to run away from their homes. Then Nobita suggests that they should go back in time to live in a place with very few humans. Thus, they return to the past Japan, which is 70000 years back from then. They witness the founding of Japan. A mysterious boy from the past accidentally gets sucked to Nobitas era and place, causing a complicated array of problems.