The plot touches on "Snowball Earth" theories and the historical isolation of Antarctica, which was not officially discovered by humans until 1773.
The film features the regular voice cast, including Wasabi Mizuta as Doraemon and Megumi Ōhara as Nobita, with guest voices like Rie Kugimiya as Carla. The plot touches on "Snowball Earth" theories and
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 . the team travels back 100