Doraemon: Nobita no Nankyoku Kachi Kochi Daibouken

ドラえもん のび太の南極カチコチ大冒険

Nobita and his friends find a strange frozen ring, which guides them to Antarctica in search of its owner. There, they stumble upon some ancient ruins and begin an adventure, facing the danger that the Earth may become frozen. (Source: Anime News Network)