Third film in the popular cgi animated childrens series following the adventures of a number of new york zoo animals that are deemed unruly and released into the wild though their previous attempt to escape madagascar and make it back to new york failed alex the lion voice of ben stiller marty the zebra chris rock and melman the giraffe david schwimmer remain determined to return to the big apple when the trio find themselves in monte carlo on the run from european animal control the