Leave room under the tree for A Mammoth Christmas! Everyone's favorite sub-zero heroes are back for a holiday event you won't want to miss. This festive tie-in with the TV special reunites prehistoric friends Manny the woolly mammoth, Sid the sloth, Diego the smilodon, Scrat the 'saber-toothed' squirrel, and the rest of your Paleolithic pals in one big unforgettable icecapade!