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.

Skipper's having one of those perfect days, and he decides to use the opportunity to settle an old score.

Kowalski's time-stop invention falls into the wrong hands -- Julien's!

When the penguins realize their operation is at risk of being exposed, they attempt to destroy the evidence.

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.

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

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

The penguins and lemurs face off in a winner-take-all race around the zoo.

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

Kowalski's invention turns Skipper into a baby, so the penguins must find a way to change him back.

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

Private accidentally drinks Kowalski's truth serum and starts spilling the penguin's secrets to the rest of the zoo.

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

Private is smitten with the zoo nurse, but the only way he can see her is to get injured.

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

Julien becomes enamored with the gigantic toilet that the penguins built, but it's all a trap!

Marlene's fur is bleached when Alice over-chlorinates the otter habitat.

A simple plan to have Mort spy on the rats ends up with Julien and Skipper captured.

Kowalski steals the computer chip from Mort's new video game to finish an invention.

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

The penguins need Private's hypercute to escape Alice in order to see their favorite action star at the cinema, but Private's molting renders him unable to engage the talent.

Kowalski invents a group of tiny robots, which he says will protect the penguins from harm.

When the penguins discover that Jiggles is still alive, the others start squishing it, which makes it multiply.

When Skipper is knocked on the head, he's unable to lead the penguins on an important mission.

The popularity of stuffed Mort dolls causes Julien to sabotage the toys, prompting a recall.

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

The sewer rats challenge the penguins to a game of ice hockey.

When King Julien is accidentally bounced out of his kingdom, he is mistaken for a cat and adopted by old lady Gladys.

Kowalski travels back in time to prevent himself from building a time machine.

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

Special Agent Rockgut contacts the penguins with a warning that Red Squirrel has brainwashed one of them.

Mort and Private are sucked into a vending machine after trying to retrieve a snack.

The penguins have a plan to beat the heat, but they'll need Alice out of the way.

It's a special day when Bada and Bing get a shipment of delicious plantains to eat. Although they jealously guard the African bananas, King Julien's determined to taste them too.

Mort quadruples in size after being exposed to Kowalski's super-ray.

After realizing that Maurice's thumbs could prove to be very useful, the penguins recruit him into their team.

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

Lemmy the robot returns from Mars with a space squid.

Julien challenges the penguins to play Capture the Flag, but the lemurs win every time.

The penguins and Julien believe Marlene has cooties after overhearing a group of schoolchildren.

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

King Julien and Skipper switch places for a day, troubling everyone involved.

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

Private accidentally steps on Dale the snail, so Dale wants some payback.

The penguins aren't happy when their fish supplies are replaced by imitation fish cakes.

The penguins' car seems to have a mind of its own after Rico rebuilds it.

A puffin from Skipper's past returns and tries to take over the penguins' habitat.

When a massive sneeze from Rico causes the underground tunnel system beneath the zoo to rupture, Skipper calls in 4 beavers to fix the situation.

Kowalski is laid up in the hospital, so he can't attend the invention expo, and it's driving him crazy.

A group of cockroaches ask the penguins for help with their exterminator problem.

When the Penguins send Rico off to help King Julien, an unlikely friendship develops between them.

The penguins are recruited by Buck Rockgut to help him capture the Red Squirrel.

Snowmageddon hits and traps Skipper and Marlene in the convenience store, while Kowalski and Private get snowed into a tree.

When Roger's sewer home becomes unbearable, the penguins try to find him a new home in the city.

Burt the elephant discovers a love for painting, and he's remarkably talented.

Private tells Mort that if he throws a penny in the fountain, his wish will come true... and it works!

The penguins intercept a fax with catastrophic news -- Maurice has only 24 hours to live!

A hen who seems to have psychic abilities moves into the zoo, and a skeptical Kowalski tries to prove she's a fraud.

The penguins must protect the zoo commissioner from Frankie the pigeon's wrath.

Marlene discovers a lost egg and thinks the Penguins would be perfect egg watchers.

Julien causes chaos at the zoo when he steals Kowalski's new invention.

After Rico saves Shelly, she falls for him but things turn a little crazy when she kidnaps his doll in a fit of jealousy.

The Space Agency sends Private to the moon. The other birds can't monkey around if they hope to get him home again.

When the vet rounds up the penguins to give them a shot, Skipper's fear of needles takes over.

After a series of gadget malfunctions, Skipper orders Kowalski to stop inventing.

Private wants to be friends with a group of badgers... until they threaten to hurt Marlene.

Annoyed by the lemurs' constant music, the penguins plan to get them moved to another part of the zoo.

Dr. Blowhole, the penguins' evil dolphin nemesis, returns to New York with a diabolical plan to turn them into creatures of destruction.

Kowalski invents an enemy detector but it doesn't work. Old enemies are now friends and old friends are now enemies.

Kowalski uses an invention to switch King Julian's mind with all the penguins in order to win a contest.

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

Private is tasked with babysitting Eggy and his siblings for Momma Duck while the rest of the team is away, and has to protect the ducklings from the combined forces of the hornets and the sewer rats.

The penguins try to help Randy overcomes the problems he's having at the petting zoo.

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

The penguins accidentally blow up the koala habitat wall, so Leonard has to bunk up with Joey.

Maurice bribes the animals with candy so they'll celebrate "King Julien Day."

Skipper must prove he can still be a leader when his strength starts to decline.

The Commissioner's toupee blows off and soon gets stuck on Maurice's head.

The Vesuvius twins adopt Skipper and Julien, then force them to fight each other.

Doris the dolphin's quest to rescue her brother Francis from Seaville brings her to the lovestruck Kowalski.

The penguins become convinced that a kid on a field trip to the zoo is spying on them.

A putter is at the center of controversy when the Amarillo Kid returns to the zoo.

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?

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

The penguins journey to the bottom of the Atlantic for preserved herring.

The penguins accidentally launch Leonard the koala out of the zoo and into midtown Manhattan.

Private is ready to move up in rank within the penguin commando unit... or is he?

The Amarillo Kid arrives and declares that he has a score to settle with "Mr. Tux."

Julien is supposed to keep quiet about the penguins' secret tunnel, be he blabs anyway.

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.