Doraemon and Nobita were using special shoes that allows them to jump into the worlds of the books that they want. Nobita let Shizuka use those shoes to enter the world of the book that she wants. Shizuka got lost in one Nobita's Sinbad Legend of the Seven Seas book. After Nobita's mother burned all of his books, Doraemon and the others must find another way to save Shizuka. (Source: ANN)

Having dreamed of being in a world of magic, Nobita and Doraemon used the what-if-telephone-booth gadget to turn the world into one that is based on magic instead of science. Little did they know that demons exist and threaten this magical world. (Source: ANN)

The three brothers discover that the human experiment banned after destroying the Orochi, is still going on to secretly revive the evil snake. They also find out that some ex-members of the Yamainu (the Japanese military unit formed to kill the snake) are behind this conspiracy. The brothers fight together again in a battle against the military. (Source: Amazon Prime Video)

Fuuma ninja clan is a secret ninja tribe that is waiting for the Orochi (gigantic snake) to resurrect for generations. Shirasu and his twin brother Ichiu grew up in this viscous environment and this tells how they become the leaders of the clan. (Source: Amazon Prime Video)