On Anna’s birthday, Elsa and Kristoff are determined to give her the best celebration ever, but Elsa’s icy powers may put more than just the party at risk.

Olaf is on a mission to harness the best holiday traditions for Anna, Elsa, and Kristoff.

The previously untold origins of Olaf, the innocent and insightful, summer-loving snowman are revealed as we follow Olaf’s first steps as he comes to life and searches for his identity…