It is the 13th film based on the popular comedy manga and anime series Crayon Shin-chan. The film was released to theatres on April 16, 2005 in Japan.

In this children's anime adventure, a young miner and a mysterious girl search for a long-lost island that's rumored to hold great riches.

Nobita Nobi is so hapless that his 22nd century decendants are still impoverished as a result of his 20th century bumbling. In a bid to raise their social status, their servant, a robotic cat named Doraemon, decides to travel back in time and guide Nobita on the proper path to fortune. Unfortunately Doraemon, a dysfunctional robot that the familly acquired by accident (but chose to keep nonetheless), isn't much better off than Nobita. The robot leads Nobita on many adventures, and while Nobita's life certainly is more exciting with the robot cat from the future, it is questionable if it is in fact better in the way that Doraemon planned.