(2017) is the 37th feature film in the long-running franchise, blending science fiction, ancient mystery, and the series' hallmark themes of friendship. Directed and written by Atsushi Takahashi, the film received praise for its visually stunning animation and its unique focus on a multi-layered time-travel mystery. 1. Narrative Core: A Frozen Mystery

The group uncovers the ruins of a massive, high-tech city buried beneath the ice, predating known human history in the region.

Using the Time Belt , the team travels back 100,000 years to meet Carla and Professor Hyakkoi , aliens from the planet Hyoga Hyoga seeking to save their home from the planetary threat Blizzaga .