When Santa and his sleigh unexpectedly crash-land on the island, giving Santa a really bad case of amnesia. So it falls to Alex, Marty, Melman and Gloria to deliver the presents in order to save Christmas. And it doesn't hurt that Santa's Sleigh just might be able to make a trip to New York City, so they can finally return to their beloved home (Which is actually a zoo). more When Santa and his sleigh unexpectedly crash-land on the island, giving Santa a really bad case of amnesia. So it falls to Alex, Marty, Melman and Gloria to deliver the presents in order to save Christmas. And it doesn't hurt that Santa's Sleigh just might be able to make a trip to New York City, so they can finally return to their beloved home (Which is actually a zoo).