Suneo shows everyone a fossilized claw of Tyrannosaurus rex and Nobita is angry that he doesn't get a look. Nobita claims that he will be able to find a living dinosaur, a plesiosaur Futabasaurus comes out, and Nobita decides to name it Piisuke. Nobita doesn't show it to Gian and Suneo due to Piisuke being too small and says he would have to eat spaghetti through his nose if he lies. They’ll face the dinosaur hunters that’s hunting Piisuke.