: During summer vacation, Nobita and his friends go on an underwater camping trip using Doraemon's gadgets. They discover the hidden civilizations of Mu and Atlantis and must stop a rogue robotic supercomputer named Poseidon from launching nuclear weapons.
Collector Kraven appeared in his sleek ship, furious. But Doraemon pulled out the Bamboo-Copter Defense System , creating a whirlwind that spun the ship away — back to his own century, where the Time Police arrested him.
The franchise is one of the most enduring and commercially successful cinematic series in history, having grossed over $1.7 billion from feature films alone as of 2020. Since its theatrical debut in 1980, the series has produced 45 feature films as of 2026, surpassing legendary franchises like Godzilla in total tickets sold in Japan. Chronology of the Doraemon Movie Series movie doraemon movie
: In addition to the main cast, the film introduces Eru (a person from the undersea federation) and a sentient, talking Underwater Buggy .
Following a brief hiatus in 2005 for a franchise reboot, the series returned with updated animation and several high-profile remakes of older classics. Ranking the Doraemon Movies (Updated 2024) - Albertonykus : During summer vacation, Nobita and his friends
And as the sun set, the six friends shared a warm snack while planning their next journey, knowing that the best magic wasn’t a gadget — but each other.
This film is the 45th feature in the franchise and a modern remake of the 1983 classic, Doraemon: Nobita and the Castle of the Undersea Devil . But Doraemon pulled out the Bamboo-Copter Defense System
Back home, Nobita placed the feather in his grandmother’s music box. When he wound it this time, it played a soft, happy melody — not of loss, but of adventure and friendship.
: The song "Honto" is performed by the Japanese band sumika . Watch the official trailer for the 2026 deep-sea adventure:
by Hiroshi Yamamoto (2018) - This paper examines the global popularity of the Doraemon franchise, including its movies, and discusses the factors contributing to its success.
One rainy afternoon, Nobita stumbled upon an old, cracked music box in his grandmother’s attic. When he wound it up, instead of a tune, a holographic map flickered to life — revealing a hidden island that didn’t appear on any modern map. Excited, Nobita ran straight to Doraemon.