A penguin just isn't a penguin without a heartsong! Follow Mumble on an exciting, toe-tapping search for his heartsong and discover why the Emperor penguin colony is going hungry! Meet Mumble's new best friends, the Adelie penguins, and his new worst enemies: leopard seals, skua birds and whales. Learn about the wild landscapes and unusual creatures of the Antarctic world. Get a behind-the-scenes look at the world of the movie with amazing original artwork.
