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 forces, causing him to bring together the penguin nations and their allies to set things right. Weeks at #1: 3 weeks Chart dates: November 19, 2006 – December 3, 2006 Wiki link