HAPPY FEET: Away from home for the first time, Mumble meets a posse of decidedly un-Emperor-like penguins - the Adelie Amigos. Led by Ramon, the Adelies instantly embrace Mumble's cool dance moves. HAPPY FEET TWO: Mumble, The Master of Tap, has a problem because his tiny son, Erik, is choreo-phobic. Reluctant to dance, Erik runs away and encounters The Mighty Sven—a penguin who can fly!