The rats have been terrorizing Roger the alligator, and he comes to the penguins for help. Their solution: switch gentle Roger's brain with loose-canon Rico's brain, and let the butt kicking begin!
The toy manufacturer of Rico's doll-girlfriend has upgraded their doll line with a voice chip. Rico must have this upgrade, at all costs. Will Rico sacrifice his friendship in order to get his doll-girlfriend a voice?
Mort is exposed to a super-ray, and he grows super-big and strong. But Mort's new strength sends him over the edge, and he starts to take revenge on everyone who took advantage of him when he was small—especially King Julien.
When Alice mentions that one of the penguins is actually female, Skipper has an identity crisis. It's up to Marlene to convince him that he can still be a commando, even if he's a girl.
The popularity of stuffed Mort dolls causes Julien to sabotage the toys, prompting a recall. Maurice bribes the animals with candy so they’ll celebrate “King Julien Day.”
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 stuffed Mort dolls become popular at the zoo, Julien gets jealous and gets them recalled. Unfortunately, the real-life Mort is accidentally sent back to the factory along with his plush replicas.
When Rico gets a freaky fortune from his cookie, he initially ignores it. But Julien is convinced that Rico needs to believe in the superstition for his own good, so he sets out to make Rico's fortune come true.
When the zoo vet rounds up the penguins to give them a shot, Skipper's fear of needles takes over and he goes on the run. His friends must help him get over his fear, or Skipper will have to leave the zoo, forever!
Private hones in on his cuteness factor and any witness or potential threat is instantly disabled – adorability has been weaponized. The team dominates the zoo, using Private to get them out of trouble.
A girl loses her doll at the zoo, and Rico is convinced to give up his own doll to replace it. Private assures Rico that his good deed will come back to him, but when Officer X shows up to trap the penguins, Rico's not so sure.
After an injury, Skipper goes to the vet for treatment. While he's there, the rest of the team mistakenly believes Skipper has turned into a zombie. The woozy Skipper must convince his friends he's not a raving monster.
Private finds lost comic books and ignores Skipper's request to destroy them. Instead it isn't long until the boys begin to feign superheroes - and just in time because a dangerously delusional super villian strikes the zoo.
Every year, Private is chosen as the cover animal for the zoo brochure. But this year it might be the adorable Mort, and when he goes missing, Private is torn between his desire to be the zoo cover model and his good heart.
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