Uma turma de pinguins com muito estilo - o líder Skipper, o inteligente Kowalski, o louco Rico e o jovem Private - que vive no zoólogico do Central Park tem problemas com seus novos e indesejáveis vizinhos: os lêmures.
Tom McGrath • Jeff Bennett • James Patrick Stuart • John DiMaggio • Danny Jacobs • Kevin Michael Richardson • Andy Richter • Nicole Sullivan
Os pinguins investigam o estranho desaparecimento de Maurice depois de uma briga com Julien por uma máquina fotográfica. Então descobrem que está em um lixão em Nova Jersey e o resolvem levá-lo de volta. Enquanto isso, Julien pensa que Maurice está na máquina.
Os pinguins constroem um foguete para ir à lua depois de serem aborrecidos pelo Rei Julien . graças a um erro de cálculo feito por Kowalski (Kowalski depois diz "me esqueci de ligar o motor dois"), eles terminam em cima de um edifício com um gato que tenta pegar pássaros. Entretanto, Julien e os outros lêmures tratam com as armadilhas no habitat dos pinguins tentando "pegar emprestado" a sua televisão.
Quando Marlene grita a noite, os pinguins decidem investigar o barulho. Depois que Julien "assusta o espírito", ele volta. Os pinguins percebem que "o espírito" é um jacaré chamado Roger que grita por causa do seu medo do ronco de Marlene.
Quando os bonecos de pelúcia de Mork de brinquedo da loja de presente do jardim zoológico ficam muito populares, Julien fica com ciúmes e sabota-os deixando o inventário inteiro de bonecos de Mork no habitat dos gambás, por isso eles terão de ser devolvidos à fábrica. Infelizmente, o verdadeiro Mork é levado também. Os pinguins têm de salvar o Mork antes de que ele seja incinerado. Enquanto isso, os pinguins recrutam Julien como agente "rabo anelado".
Maurice bribes the animals with candy so they'll celebrate "King Julien Day."
Marlene discovers a lost egg and thinks the Penguins would be perfect egg watchers.
When Skipper steals Julien's radio batteries, a wild chase gets them stuck in a kangaroo pen.
Julien challenges the penguins to play Capture the Flag, but the lemurs win every time.
Julien can't take Mort's obsessive feet touching, so he exiles Mort from the lemur habitat.
When the zoo installs web cams to bring in new visitors, Private accidentally becomes an Internet star.
Skipper accidentally causes King Julien to lose his beloved crown. Now the penguins go on a dangerous mission to retrieve the crown from the sewer.
Marlene goes to greet the mysterious new animals... then promptly disappears.
Maurice is left in charge when Julien is carted off to the zoo infirmary.
After Rico ingests a strange liquid, he discovers he can no longer regurgitate items from his belly.
The penguins and lemurs face off in a winner-take-all race around the zoo.
When the penguins lose access to their favorite snack, Skipper and crew leap into action to find a new supply.
The penguins aren't happy when their fish supplies are replaced by imitation fish cakes.
The sewer rats challenge the penguins to a game of ice hockey.
When the vet rounds up the penguins to give them a shot, Skipper's fear of needles takes over.
When a solar eclipse occurs, Julien is tricked into thinking it's his fault.
Mort quadruples in size after being exposed to Kowalski's super-ray.
Marlene's can't stand her new roommate, so she asks the penguins to help get rid of her.
Rico ignores a freaky fortune from his cookie, but Julien thinks Rico needs to believe in the superstition.
When a robot is sent to the zoo to learn from Julien, the penguins set out to retrain it.
The rats have been terrorizing Roger the alligator, so he comes to the penguins for help.
A giant balloon float of a killer whale haunts Private.
The penguins are recruited by Buck Rockgut to help him capture the Red Squirrel.
Kowalski travels back in time to prevent himself from building a time machine.
When Roger's sewer home becomes unbearable, the penguins try to find him a new home in the city.
The penguins must protect the zoo commissioner from Frankie the pigeon's wrath.
The penguins try to help Randy overcomes the problems he's having at the petting zoo.
Eggy the duckling is convinced that he can handle dangerous missions like the penguins.
It's a race against time when the whole gang competes with the Rat King to find the Lost Treasure of the Golden Squirrel, which may have a dangerous curse on it!
When the penguins realize their operation is at risk of being exposed, they attempt to destroy the evidence.
The penguins and Julien believe Marlene has cooties after overhearing a group of schoolchildren.
The Amarillo Kid arrives and declares that he has a score to settle with "Mr. Tux."
Private is ready to move up in rank within the penguin commando unit... or is he?
A group of cockroaches ask the penguins for help with their exterminator problem.
The penguins become convinced that a kid on a field trip to the zoo is spying on them.
Private wants to be friends with a group of badgers... until they threaten to hurt Marlene.
When the Penguins send Rico off to help King Julien, an unlikely friendship develops between them.
Julien causes chaos at the zoo when he steals Kowalski's new invention.
The penguins accidentally launch Leonard the koala out of the zoo and into midtown Manhattan.
When animals begin disappearing, the penguins suspect Savio, the new boa constrictor.
Private tells Mort that if he throws a penny in the fountain, his wish will come true... and it works!
Julien goes on a pranking spree when he learns about April Fool's Day.
Rico desperately wants to a voice chip upgrade for his doll-girlfriend.
A puffin from Skipper's past returns and tries to take over the penguins' habitat.
After a series of gadget malfunctions, Skipper orders Kowalski to stop inventing.
When a baby stroller rolls outside the zoo, the penguins redefine the term "daycare."
The penguins' car seems to have a mind of its own after Rico rebuilds it.
Kowalski steals the computer chip from Mort's new video game to finish an invention.
The penguins must stop a contractor from completing repairs on their habitat before he destroys the world!
Two thieves stash a very expensive diamond necklace at the zoo.
When Skipper is knocked on the head, he's unable to lead the penguins on an important mission.
Private accidentally drinks Kowalski's truth serum and starts spilling the penguin's secrets to the rest of the zoo.
When the zoo is closed for Christmas, the animals prepare for "Kidsmas" -- their annual celebration complete with decorations, food, gifts and a visit from Santa.
Julien believes Maurice is plotting an overthrow and the penguins send him through basic training.
Burt the elephant discovers a love for painting, and he's remarkably talented.
Private is smitten with the zoo nurse, but the only way he can see her is to get injured.
The penguins have a plan to beat the heat, but they'll need Alice out of the way.
Kowalski's attempt to super-charge his brain backfires and now he's dumber than mud.
When King Julien is accidentally bounced out of his kingdom, he is mistaken for a cat and adopted by old lady Gladys.
Kowalski uses an invention to switch King Julian's mind with all the penguins in order to win a contest.
Marlene's fur is bleached when Alice over-chlorinates the otter habitat.
Skipper is accidentally doused with a substance called Inflatium, so whenever he is stressed he swells up like a balloon.
After realizing that Maurice's thumbs could prove to be very useful, the penguins recruit him into their team.
The Penguins are faced with a global battle when their specialty food-making machine belches out a toxic cloud that threatens not just the zoo, not just the city, but the earth itself!
The Commissioner's toupee blows off and soon gets stuck on Maurice's head.
After Rico saves Shelly, she falls for him but things turn a little crazy when she kidnaps his doll in a fit of jealousy.
Ma takes up residence in the Penguins Lair. She smothers the penguins with love and they devolve into a bunch of softies, opening the door for Hans to take advantage.
Marlene wants see a concert but every time she leaves the zoo she becomes a monster!
The other penguins agree to take Private to see "Lunacorns on Ice" to cheer him up.
A putter is at the center of controversy when the Amarillo Kid returns to the zoo.
A stray dog refuses to give up Mort after believing he is a squeaky toy, so the penguins set out to rescue him with the help of Max the cat.
Watching too many ninja movies has brainwashed Leonard the koala. During the day, as he sleeps, he terrorizes everyone by sleepfighting.
Skipper agrees gives a day off from training to the first penguin brings him a kipper.