Maurice está cansado de seguir las órdenes de Julien y de vivir con él. Un día Maurice se pierde a causa de el flash de una camara

Julien y Maurice se pelean por una cámara que cayó del cielo

Skipper accidentalmente hace que el Rey Julien pierda su amada corona. Ahora los pingüinos emprenden una peligrosa misión para recuperar la corona del alcantarillado.

El Día del Rey Julien se aproxima y Maurice le pide a los pingüinos, los chimpancés y Marlene que lo celebren, sobornándolos con darles una piñata llena de dulces al final de la celebración. Los animales, excepto Skipper, acceden a hacer todo lo que Julien diga, mientras que Skipper se queda a limpiar el cuartel y es molestado por el ruido

Marlene encuentra un huevo y se lo entrega a los pingüinos para que se hagan cargo de él, mientras Julien trata de robarles el huevo. Al final sale un patito del huevo, el cual es entregado a su madre.

Julien trata de romper el récord de los babuinos de bailar durante 18 horas. Al anochecer, Skipper no puede dormir por la musica alta, así que roba las baterías del reproductor de Julien. Ambos pelean por ellas y caen en el hábitat de Joey, el canguro, al que no le agradan los intrusos. Skipper y Julien quedan atrapados en el árbol ideando la forma de escapar sin recibir una paliza.

Cuando Julien encuentra a los pingüinos jugando atrapa la bandera, los reta y ambos equipos hacen una apuesta por la cual los pingüinos pierden la televisión. Al intentar recuperarla, los pingüinos siguen retando a los lémures y terminan perdiendo todo. Eventualmente idean una forma de vencerlos y hacen una última apuesta en la que los ganadores se lo llevan todo.

Cansado de la obsesión de Mort con sus pies, Julien proclama una nueva ley con la que cualquiera que toque sus pies será expulsado de "su reino". Mort, sin poder evitar estar lejos de ellos, es expulsado. Marlene le pide a Skipper que ayude a Mort y éste es puesto bajo entrenamiento.

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.

When Marlene sets foot outside of captivity, she snaps and becomes a feral beast.

Officer X of New York City's animal control is after Max, the penguins' stray cat friend.

Phil tries to win the heart of a visiting chimpanzee named Lulu.

The penguins must ditch the watchful eye of a nosey scientist before he stumbles upon all their secrets.

A girl loses her doll at the zoo, and Rico is convinced to give up his own doll to replace it.

A mysterious bandit is robbing the zoo animals of their beloved possessions.

Julien is horrified when the baboons' dance routine is getting more attention than his own.

A zoo blackout elevates King Julien's delusional rulership ideas to a whole new level.

The other penguins fear that Skipper has become a zombie after a visit to the vet.

Some unfriendly hornets make plans to sting anyone who enters the zoo.

After a mishap with Julien, Maurice and Mort are banished from his kingdom.

A tiny frog with a nasty attitude moves to the zoo and starts terrorizing the other animals.

After a fight, the penguins show Mason and Phil how much they need each other.

Skipper has an identity crisis when Alice mentions that one of the penguins is actually female.

Burt the elephant asks the penguins to help him break out of the zoo.

Marlene catches a glimpse of Fred the squirrel and falls in love at first sight.

The animals make a commercial to promote the zoo after a new TV channel renders them obsolete.

When a giant fish terrorizes the duck pond, Skipper leads a mission to eliminate the menace.

Kowalski accidentally creates a living blob of jelly... with a big appetite.

When a beautiful falcon crash-lands in the zoo, Skipper insists that she stays.

Private is upset when Mort is chosen to be the cover animal for the zoo's brochure.

When arch-nemesis, Dr Blowhole kidnaps King Julien and threatens to melt the Arctic Circle, the Penguins have to stop him, but they walk into a clever trap.