Ninjago: Frozen Love

This is part one of the series. It has Anna, Olaf, and Kristoff, as well as Jay, Cole, both Sensei Wu and Garmadon, and Nya. Kai, Zane and Lloyd have hiked for two days, and finally reach Elsa's ice fortress. But a big snowman stands in their way. Can Zane convince it to move? Can they convince Elsa to help? And most importantly, has Kai found the one? And does "ovl" mean overlord?