Mumble the penguin has a problem: his son Erik, who is reluctant to dance, encounters The Mighty Sven, a penguin who can fly! Things get worse for Mumble when the world is shaken by powerful ...

This is the story of a little penguin named Mumble who has a terrible singing voice and later discovers he has no Heartsong. However, Mumble has an astute talent for something that none of the ...