Polariffic! Yeti or Not(2014)

Set in the North Pole, "Polariffic" is a story about a foursome of Arctic friends who take a journey from fear to friendship. Snowby, Jaz, Flitter, and Cupcake are the best of friends, but one day they encounter Charlie, a young Yeti who tries to befriend them. At first terrified, the four friends find themselves face-to-face with the Yeti and must muster the courage to trust him to save themselves. In the end, the gang learns appearances aren't always what they seem.

Official site