Madagascar 3: Europe's Most Wanted (2012), directed by Eric Darnell, Tom McGrath, and Conrad Vernon, follows the zoo animals across Europe as they join a travelling circus to escape a relentless animal control officer. Ben Stiller voices Alex the lion.
Madagascar: Escape 2 Africa (2008), directed by Eric Darnell and Tom McGrath, follows the zoo animals as they leave Madagascar and crash land on the African mainland. Ben Stiller voices Alex the lion, who finds the pride he was taken from as a cub.
Madagascar (2005), directed by Eric Darnell and Tom McGrath, is an animated film about four zoo animals who escape from New York and wash up on the island of Madagascar. Ben Stiller voices Alex the lion, a pampered star of the Central Park Zoo who has never seen the wild.