Posted inTVOnce Upon a Snowman – The untold origins of the delightful Olaf: Trailer, Lowdown and Release Date by Stephen PayneOct 19th, 2020 @ 9:51 am EDTOct 19th, 2020 @ 9:51 am EDTOnce Upon a Snowman is the previously untold origins of Olaf. Olaf is the summer-loving snowman first seen in 2013’s Frozen.