Scrat's nutty pursuit of the cursed acorn, which he's been after since the dawn of time, has the world-changing consequences - a continental cataclysm that triggers the greatest adventure of all for Manny, Diego and Sid. In the wake of these upheavals, Sid reunites with his cantankerous Granny, and the herd encounters a ragtag menagerie of seafaring pirates determined to stop them from returning home.Special Features Ice Age: The Story So Far, Gutt's Sing-Along Shanty-Shimmy-Shake, 'The Sid Shuffle' Dance Along, Party With A Pirate! Mode, Deleted Scenes, 6 Featurettes Including Through A Pirate's Spyglass, Beasties And Granny And The Stink Of The Sloths, 'The Scratist' Special Trailer, 2 Music Videos Including 'Chasing The Sun' By The Wanted, Party With A Pirate - Interactive Viewing Experience With A Real Pirate Guide, Stay Connected With Live Extras