Happy Feet Two (2011)

Mumble's son, Erik, is struggling to realize his talents in the Emperor Penguin world. Meanwhile, Mumble and his family and friends discover a new threat their home -- one that will take everyone working together to save them.
 
Directors:  George Miller, Gary Eck (co-director) | 
Writers:   George Miller, Gary Eck 
Stars:   Elijah Wood, Robin Williams, Pink