Maurice is left in charge when Julien is carted off to the zoo infirmary.

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.

Marlene's can't stand her new roommate, so she asks the penguins to help get rid of her.

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.

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.