Once Upon a Snowman tell story about "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 in the snowy mountains outside Arendelle..".
Cast : Josh Gad, Chris Williams, Idina Menzel, Kristen Bell, Jonathan Groff, Livvy Stubenrauch, Eva Bella
- Runtime : 7 minutes (0' 07")
- Genre : Animation Family Comedy Fantasy
- Production : Walt Disney Animation Studios
- Release : October 23, 2020
- Countries : United States of America
- Languages : English