Ever since their vibrant birth, animated sci-fi films have always been tons of fun for audiences, blending the imagination of the genre with a medium that can live up to it. They possess a unique knack for building captivating worlds, especially ones that are vastly rich and immersive, often resulting in beloved animated movies with robot protagonists. A good animated science fiction film will leave audiences hungry for more, warranting a second production that sometimes does even better than the first. However, not every cinematic gem gets the follow-up it deserves.

https://screenrant.com/animated-sci-fi-movies-need-sequels-list/