What better way for a lion, zebra, giraffe, and hippo to travel incognito than to join the circus? In this third chapter of the popular animated franchise, Alex, Marty, Melman, and Gloria are joined by penguins, monkeys, and lemurs as they strive (still!) to get back to their NYC zoo home. Trouble arises when an officer in Animal Control sets her sights on bagging Alex as a trophy! Stars the voices of Ben Stiller, Chris Rock, Sacha Baron Cohen, and Frances McDormand. 93 min. Three-disc set. Widescreen; Soundtracks: English Dolby TrueHD, Dolby Digital 7.1, Dolby Digital 5.1, Dolby Digital stereo, French Dolby Digital 5.1, Dolby Digital Surround, Spanish Dolby Digital 5.1, Dolby Digital Surround; Subtitles: English (SDH), French, Spanish; audio commentary; deleted scenes; featurettes; game; more. Also includes a DVD and Blu-ray 3D that requires a 3D television, 3D Blu-ray player, and special glasses to reproduce the original theatrical experience.