In the future, one can achieve immortality by obtaining a mechanized body. Orphaned, young Tetsuro hitches a ride on the space train Galaxy Express 999 in the hope of obtaining a cyborg body to avenge his mother's death. Along the way, he meets Maetel, who is the spitting image of his dead mother.
A defective lamp reveals a heartbreaking truth about what Homer believes is reality, and an AI-powered tablet befriends and controls Maggie. The Simpsons struggle to find the light through two dark tales of the curious and bizarre.
A sapling Nobita discovers is turned into a plant-boy with help from Doraemon, and becomes Earth's only hope at passing judgment from the dryadic aliens of the Green Planet.