Madagascar (2005)

Alex the lion, Marty the zebra, Melman the giraffe and Gloria the hippo have lived their entire lives in Central Park Zoo. Marty allows his curiosity to get the better of him and makes his escape to explore the world he's been missing. Alex, Melman and Gloria discover their friend missing and decide to break out of the zoo and get Marty back home before anyone notices they're gone. Alex, Melman and Gloria manage to track Marty down in Grand Central Station, but before they can catch the train back to the zoo, they are captured, crated and put on a ship to Africa.

Official website: http://www.madagascar-themovie.com/