Movies and TvShows featuring "unknown-region" theme.

In a post-apocalyptic future, humanity lives in an underground city called Ember, where the citizens rely on a generator for survival. When two teenagers discover a secret message, they embark on a journey to find the way out of the darkness and save their city.

In a post-apocalyptic world, Patema, a princess from an underground city, falls into a hidden pit. She discovers a boy named Age from the surface world, where gravity is inverted. Together, they defy the authoritarian regime and venture into the dangerous unknown region to uncover the truth about their worlds. As they face challenges and dangers, their friendship grows stronger, and they learn to trust each other. Can they find a way to unite their worlds and overcome the forces that seek to tear them apart?