Doraemon the Movie: Nobita and the Knights on Dinosaurs

In a thrilling adventure, Nobita and his friends stumble upon a hidden underground cave, where they inadvertently lose track of Suneo. As the group attempts to find their way back, they discover that the entrance has mysteriously collapsed. In their quest for an alternate exit, they are unexpectedly transported to a vibrant world inhabited by dinosaurs.

Here, they encounter Vanho, a brave soldier who has been searching for Suneo. However, their reunion takes a dark turn when they learn of Vanho's true intentions. His people devise a plan to capture Nobita and his friends for experimentation, aiming to dominate the surface of Earth. As tensions rise, the group must rally together, facing both the wonders and dangers of this prehistoric realm to escape and protect their world.