Scrat's constant quest for an acorn causes a shift in the ice. Manny, Sid, and Diego end up stranded on an iceberg in the middle of the sea. A group of misfit pirates are determined to stop the trio from ever returning home.

Title from container. Bonus features: Theatrical feature; Ice age: the story so far; Whale of a tale: beasties and myths; Gutt's sing-along shanty shimmy shake; music videos.