The fourth instalment in the CGI-animated comedy adventure franchise. When the entire continent is set adrift following a global cataclysm, Manny (voiced by Ray Romano), Diego (Denis Leary) and Sid (John Leguizamo) find themselves separated from the rest of the herd. Commandeering a nearby iceberg as a makeshift boat, they take to the high seas. Fearsome sea creatures and battlethirsty pirates are among the challenges faced by the intrepid trio as they ride the waves of the world in search of their family.