Watch Online Free on Watchseries. The first ever Winter Festival in Arendelle has arrived, and Anna, Elsa, Olaf and friends are helping to celebrate, with decorations, ice sculptures and even a cart full of delicious treats. The event features an impressive ice-skating show, but an accident leaves the star performer unable to perform. To avoid further calamity, Anna enlists Elsa, Kristoff, Sven, and Olaf to step in and try to save the Winter Festival!