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
The lemur habitat gets a new resident, Clemson, and Julien loves to order him around
Private finds a stack of comic books and ignores Skipper's request to destroy them
Shakespeare in the park has inspired Private as he struts around quoting from the Bard's works
A simple plan to have Mort spy on the rats ends up with Julien and Skipper captured
The penguins accidentally blow up the koala habitat wall, so Leonard has to bunk up with Joey
King Julien and Skipper switch places for a day, troubling everyone involved
The penguins intercept a fax with catastrophic news -- Maurice has only 24 hours to live!
When Private's cuteness factor tests off the charts, the penguins use it to their advantage
Annoyed by the lemurs' constant music, the penguins plan to get them moved to another part of the zoo
The animals panic when a boa constrictor escapes from the zoo
Kowalski's invention turns Skipper into a baby, so the penguins must find a way to change him back
The penguins journey to the bottom of the Atlantic for preserved herring
Private's quirky Uncle Nigel pops in for a quick visit from across the pond
After a sailing trip to the Massachusetts coast goes wrong, the penguins wind up at the Hoboken Zoo, which turns out to be a perfectly pristine paradise. or is it?
Dr. Blowhole, the penguins' evil dolphin nemesis, returns to New York with a diabolical plan to turn them into creatures of destruction
The Vesuvius twins adopt Skipper and Julien, then force them to fight each other
Kowalski invents a group of tiny robots, which he says will protect the penguins from harm
The penguins are inspired seeing a good deed and decide to perform their own
Mort and Private are sucked into a vending machine after trying to retrieve a snack
Kowalski's time-stop invention falls into the wrong hands -- Julien's!
Special Agent Rockgut contacts the penguins with a warning that Red Squirrel has brainwashed one of them
The animals think Julien caused old lady Gladys to slip and hurt herself
Kowalski is laid up in the hospital, so he can't attend the invention expo, and it's driving him crazy
Private accidentally steps on Dale the snail, so Dale wants some payback
Julien becomes enamored with the gigantic toilet that the penguins built, but it's all a trap!
Private's heart overcomes his instinct to flee as he helps a stranded seal get back to Antarctica, and the rest of the team follow in the submarine to make sure they make it
Julien is supposed to keep quiet about the penguins' secret tunnel, be he blabs anyway
Kowalski tries to bring a penguin species back from extinction, but clones a Dodo instead
Skipper orders Kowalski's love ray to be put in reverse
When the penguins discover that Jiggles is still alive, the others start squishing it, which makes it multiply
Lemmy the robot returns from Mars with a space squid
Marlene plans a game night to help the zoo animals bond but it takes a terrible turn when the snacks run out