Shinchan is really excited about the coming summer holiday! What's amazing about this summer is that there is a special news that shocks the whole world — A "Dinosaur Park" that revives extinct dinosaurs is opened in Tokyo! What's more, the Kasukabe Team receives a special invitation to explore the new park! The team enjoys the facilities in the world-renowned "Dinosaur Park" while having a close look on giant dinosaurs, and become so excited about everything they see! After opening of the park, a dinosaur fever is all the rage worldwide!At the same time, Shiro meets a little dinosaur called "Nana" at the riverside. As Shinchan and his friends beg sincerely, Nana becomes a member of the Nohara family, living together with Shinchan and Shiro, and creates a lot of wonderful memories. However, when Shinchan is enjoying this unique summer, dinosaurs suddenly escape from the park and rush into Tokyo! How will this "Dinosaur Crisis" end? What is the secret behind Nana's appearance?