The Red Squirrel
E1
The penguins are recruited by Buck Rockgut to help him capture the Red Squirrel.
It's About Time
E2
Kowalski travels back in time to prevent himself from building a time machine.
Gator Watch
E3
When Roger's sewer home becomes unbearable, the penguins try to find him a new home in the city.
In The Line of Doody
E4
The penguins must protect the zoo commissioner from Frankie the pigeon's wrath.
Can't Touch This
E5
The penguins try to help Randy overcomes the problems he's having at the petting zoo.
Hard Boiled Eggy
E6
Eggy the duckling is convinced that he can handle dangerous missions like the penguins.
The Lost Treasure of the Golden Squirrel
E7
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!
Fit To Print
E8
When the penguins realize their operation is at risk of being exposed, they attempt to destroy the evidence.
Operation: Cooties
E9
The penguins and Julien believe Marlene has cooties after overhearing a group of schoolchildren.
Mr. Tux
E10
The Amarillo Kid arrives and declares that he has a score to settle with "Mr. Tux."
Concrete Jungle Survival
E11
Private is ready to move up in rank within the penguin commando unit... or is he?
Stop Bugging Me
E12
A group of cockroaches ask the penguins for help with their exterminator problem.
Field Tripped
E13
The penguins become convinced that a kid on a field trip to the zoo is spying on them.
Badger Pride
E14
Private wants to be friends with a group of badgers... until they threaten to hurt Marlene.
Kaboom and Kabust
E15
When the Penguins send Rico off to help King Julien, an unlikely friendship develops between them.
The Helmet
E16
Julien causes chaos at the zoo when he steals Kowalski's new invention.
Night and Dazed
E17
The penguins accidentally launch Leonard the koala out of the zoo and into midtown Manhattan.
The Big Squeeze
E18
When animals begin disappearing, the penguins suspect Savio, the new boa constrictor.
Wishful Thinking
E19
Private tells Mort that if he throws a penny in the fountain, his wish will come true... and it works!
April Fools
E20
Julien goes on a pranking spree when he learns about April Fool's Day.
Hello, Dollface
E21
Rico desperately wants to a voice chip upgrade for his doll-girlfriend.
Huffin and Puffin
E22
A puffin from Skipper's past returns and tries to take over the penguins' habitat.
Invention Intervention
E23
After a series of gadget malfunctions, Skipper orders Kowalski to stop inventing.
Cradle and All
E24
When a baby stroller rolls outside the zoo, the penguins redefine the term "daycare."
Driven to the Brink
E25
The penguins' car seems to have a mind of its own after Rico rebuilds it.
Friend-in-a-Box
E26
Kowalski steals the computer chip from Mort's new video game to finish an invention.
Work Order
E27
The penguins must stop a contractor from completing repairs on their habitat before he destroys the world!
Hot Ice
E28
Two thieves stash a very expensive diamond necklace at the zoo.
Command Crisis
E29
When Skipper is knocked on the head, he's unable to lead the penguins on an important mission.
Truth Ache
E30
Private accidentally drinks Kowalski's truth serum and starts spilling the penguin's secrets to the rest of the zoo.
The All Nighter Before Christmas
E31
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.
Whispers and Coups
E32
Julien believes Maurice is plotting an overthrow and the penguins send him through basic training.
Brush With Danger
E33
Burt the elephant discovers a love for painting, and he's remarkably talented.
Love Hurts
E34
Private is smitten with the zoo nurse, but the only way he can see her is to get injured.
The Officer X Factor
E35
The penguins have a plan to beat the heat, but they'll need Alice out of the way.
Brain Drain
E36
Kowalski's attempt to super-charge his brain backfires and now he's dumber than mud.
Right Hand Man
E37
The lemur habitat gets a new resident, Clemson, and Julien loves to order him around.
Danger Wears a Cape
E38
Private finds a stack of comic books and ignores Skipper's request to destroy them.
Operation: Break-Speare
E39
Shakespeare in the park has inspired Private as he struts around quoting from the Bard's works.
Rat Fink
E40
A simple plan to have Mort spy on the rats ends up with Julien and Skipper captured.
Kanga Management
E41
The penguins accidentally blow up the koala habitat wall, so Leonard has to bunk up with Joey.
King Julien For a Day
E42
King Julien and Skipper switch places for a day, troubling everyone involved.
Maurice At Peace
E43
The penguins intercept a fax with catastrophic news -- Maurice has only 24 hours to live!
Cute-Astrophe
E44
When Private's cuteness factor tests off the charts, the penguins use it to their advantage.
Operation: Neighbor Swap
E45
Annoyed by the lemurs' constant music, the penguins plan to get them moved to another part of the zoo.
All Tied Up With a Boa
E46
The animals panic when a boa constrictor escapes from the zoo.
Rock-a-Bye Birdie
E47
Kowalski's invention turns Skipper into a baby, so the penguins must find a way to change him back.
Herring Impaired
E48
The penguins journey to the bottom of the Atlantic for preserved herring.
A Visit From Uncle Nigel
E49
Private's quirky Uncle Nigel pops in for a quick visit from across the pond.
The Hoboken Surprise
E50
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?
The Return of the Revenge of Dr. Blowhole
E51
Dr. Blowhole, the penguins' evil dolphin nemesis, returns to New York with a diabolical plan to turn them into creatures of destruction.
Pets Peeved
E52
The Vesuvius twins adopt Skipper and Julien, then force them to fight each other.
Byte-Sized
E53
Kowalski invents a group of tiny robots, which he says will protect the penguins from harm.
Operation: Good Deed
E54
The penguins are inspired seeing a good deed and decide to perform their own.
When the Chips are Down
E55
Mort and Private are sucked into a vending machine after trying to retrieve a snack.
Time Out
E56
Kowalski's time-stop invention falls into the wrong hands -- Julien's!
Our Man in Grrfurjiclestan
E57
Special Agent Rockgut contacts the penguins with a warning that Red Squirrel has brainwashed one of them.
Gut Instinct
E58
The animals think Julien caused old lady Gladys to slip and hurt herself.
I Know Why the Caged Bird Goes Insane
E59
Kowalski is laid up in the hospital, so he can't attend the invention expo, and it's driving him crazy.
Arch-Enemy
E60
Private accidentally steps on Dale the snail, so Dale wants some payback.
The Big S.T.A.N.K.
E61
Julien becomes enamored with the gigantic toilet that the penguins built, but it's all a trap!
Operation: Antarctica
E62
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 Big Move
E63
Julien is supposed to keep quiet about the penguins' secret tunnel, be he blabs anyway.
Endangerous Species
E64
Kowalski tries to bring a penguin species back from extinction, but clones a Dodo instead.
Loathe at First Sight
E65
Skipper orders Kowalski's love ray to be put in reverse.
The Trouble With Jiggles
E66
When the penguins discover that Jiggles is still alive, the others start squishing it, which makes it multiply.
Alienated
E67
Lemmy the robot returns from Mars with a space squid.
The Most Dangerous Game Night
E68
Marlene plans a game night to help the zoo animals bond but it takes a terrible turn when the snacks run out.