Denis Leary

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.

Scrat is still trying to nab the ever-elusive nut and maybe finding true love; Manny and Ellie await the birth of their mini-mammoth; Diego the saber-toothed tiger wonders if he's growing too 'soft' hanging with his pals; and Sid the sloth gets into trouble when he creates his own makeshift family by hijacking some dinosaur eggs. On a mission to rescue the hapless Sid, the gang ventures into a mysterious underground world, where they have some very...