Seasons & Episodes
Dojo, Oh No!
Yang hurts Yin's feelings when he starts training under Ultimoose.
Finding Hershel
Master Yo gives his young protégés a test, which involves having them watch a seemingly harmless rock named Hershel.
600 Channels of Doom!
Carl, the Evil Cockroach wizard, gives Yin and Yang a new TV with only one remote. Yin and Yang fight over the remote, g
An Oldie But a Goodie
Yin and Yang tell Yo that he is old, and Yo makes them pick up his medication. Yo throws a party to look cool, but Yin a
Yin Yang Yuck!
Yin and Yang wish to lose their bossiness and aggression and in the process accidentally create a new villain, Yuck.
Beetlemania
Yang fakes being a Woo Foo Warrior to impress a girl. To prove his skills, he has to take out a huge steel beetle.
Enter: The Ant
Yin and Yang try to teach Yo that it's not good to boss kids around, but little do they know, Herman the Evil Ant is wai
Sweet Stench of Love
Yin and Yang get into a fight while cleaning their room, and when Yin costs Yang the world record at a video game, he re
Woo Foo Flu
Yin comes down with a case of the Woo Foo Flu, an illness that causes her to bend reality whenever she sneezes. Master Y
The Imagination Situation
Yin and Yang use Zarnot to boost their popularity by lying. When Zarnot becomes huge, they must prove that they are tell
Too Much Yangformation
Aura... or Not
Yin's Woo Foo Aura gets out of control, trying to save the environment and escapes Yin's body, destroying the town.
Falling Yin Love
Yin falls in love with a person named Brett who actually turns out to be Yuck.
On Golden Pondscum
Yin and Yang have to stop Pondscum from stealing Yo's golden chair.
Old School
Kraggler uses the cronalogicum to trade ages with Yin and Yang so he can become young again.
A Toy's Story
Yang won a doll at the county fair for Yin, but the doll is actually Zarnot.
The Trouble with Two-ni-corns
Yo tells Yin to go to the valley of the two-ni-corns and find a rainbow mane The Gnu to fix her toy. Meanwhile, Yang is
Scarf It Up!
Saranoia makes a snow day so that Yin and Yang can play outside and Yin may have a day off, as she holds an obsession wi
Return of the Night Master
The Night Master rebuilds his armies that were frozen years ago by Master Yo. Little do they know, Yin and Yang are invo
My Stupid Sword
Yang is thrilled that the CPK (Chung Pow Kitties; a pastiche of Hello Kitty and Powerpuff Girls), a rock band made of ca
Neat Freak
Yin meets a hamster who loves to clean while she is out buying cleaning supplies. The hamster reveals himself to be Fast
The High She-as
Yin and Yang are fishing when a group of female pirates appear. They act really nice towards Yin, but not so much toward
A Match Not Made In Heaven
Carl wants to use his mother's destructive jewelry for his nefarious purposes (especially since she never wears them) bu
Scary Scary Quite Contrary
Master Yo shows Yin and Yang that black-and-white films can be scary.
How the Cookie Crumbles
Yin uses the misfortune cookies on Yang to take away his good luck.
The Yin of Yang
Yang is really interested in a girl named Lina, who is Yin's really good friend. The trouble is, Yang's behavior turns L
Shopping Sprawl
Yin and Yang are fed up with not getting an allowance from Master Yo for doing chores around the dojo. Then a stranger a
Wubble in Paradise
Yin and Yang host an awards show for evil Brother Herman.
Dictator of the Year
The Night Master hides in Yang's imagination.
Master Dave
A new master is in charge.
Destination Danger
A fun road trip serves as a cover for a covert operation.
Bad Nanny Jamma
Dressed as a donkey, Yin and Yang infiltrate a bad-guy convention.
Pros and Cons
Saranoia returns.
The Gig Is Up
Yin and Yang meet the legendary Woo Foo twins.
Doomed to Repeat It
Coop teams up with Yin and Yang to win back an ancient Woo Foo artifact.
Family Day
Herman and Carl want to give their mom a pair of rabbit's feet for luck.
The Hex of the Ex
Master Yo's ex-girlfriends show up.
Out on a Pledge
Yang finally makes some guy friends, but they're not who they say they are.
Dojo Alone
Brother Herman attacks while Master Yo is away.
Attack of the Lesson
A heavy-handed hero teaches everyone a lesson.
A Case of Evils
Yin and Yang wonder if Master Yo is really evil.
Attack of the Vidiots
Yang acts up in a video game.
Fit to be Tried
Yin and Yang are put on trial.
Voyage to the Center of the Yo
Yin and Yang follow Yuck to a terrifying place... inside Master Yo.
Sitting Shaggler
Shaggler turns into a baby.
Shadows and Light
Yang uses an ancient tool to end Yin's constant pursuit of popularity.
The Truth Hurts
Yin and Yang are promoted.
Who Knows What Evil Lurks
Information on Yin and Yang is leaked to the Night Master and the twins try to find the culprit.
Night Fall
The Night Master plots to kidnap Master Yo so he can plunge the world into darkness and be free.
The Pecking Order
Yin and Yang prepare to go on vacation. Coop returns and tried to warn them of The Night Master's energy escaping, but t
Party Favors
Coop's mom is throwing a "welcome back/thanks for saving the world all by yourself" party, and Yin and Yang are the only
Smoke and Mirrors
Yin and Yang are pitted against each other in a fight.
Yin-Credible!
Yin takes credit for saving the mayor, without acknowledging Yang's help.
Brain Drain
Yang's brain becomes controlled by a villain known as Mastermind.
The Big Payback
Master Yo faces an old nemesis he has never been able to defeat.
Imperfect Fooplicates
Yin and Yang uses a magical bracelet to make fooplicates of themselves until Yuck returns.
Messy Relationships
Melodia the Aardvark Princess returns to claim Yang until Fastidous makes Yin mad with the Stink Aardvarks.
A Bad Case of the Buglies
Carl casts an ugly spell on Yin and Yang after Yin insults Carl and calls him a "buglie".
Control Issues
Yin and Yang learn self-control at an institute, but its founder, Ultimoose, may have more sinister plans in store.
Foreign Exchange Problem
Yin and Yang get a lesson in cultural enrichment when a foreign exchange student from Redneckistan named Jobeaux shows u
Turnabout
Master Yo is sick of Yin and Yang disrespecting him. Yin and Yang are sick of Master Yo treating them like babies. When
The Manotaur
Yin and Yang attempt to defeat a half-human, half-bull monster.
League of Evil
Carl forms a league of evil with three other villains when they all rent an apartment together.
This Yang Isn't Brought To You By ...
Yang endorses a toy line for money but doesn't realize that the toys are harmful to children.
Stuck
Yin, Yang and some of their friends accept a free vacation to a mysterious island, not knowing that it's a trap set by S
Deja Foo
Ultimoose and Yang search for an amulet that will give them all of the Night Master's powers.
Gone-A-Fowl
Yin reluctantly goes on a date with Coop, and she falls under his evil spell.
Basic Yin-stinct
Carl tricks Yin into eating seeds that make her doubt everything.
Fighting Fooberty
Mr. Pondscum realizes he isn't a goldfish but a polliwog.
Yin Yang Carl
Carl magically switches brains with Master Yo in an attempt to destroy the Woo Fo warriors.
Smorks
Yin takes in some seemingly harmless green creatures as pets, but Yang believes they are dangerous.
Wonder Tweens Go!
Yin and Yang become addicted to a TV show about a superhero but learn they should focus instead on becoming heroes in re
Touchy Feelings
Yang loses his emotions after he is zapped by Fred.
O'Brother There Art Thou
When Yang separates himself from Yin and Master Yo, he saves a robot, and they start to act like brothers. But Yin is fe
Roger... Over and Out
An Inconvenient Tooth
Yang develops a rare tooth condition and could end up as dinner on Edna's table.
Situation Tragedy
Carl traps Yin and Yang in a sitcom with a magic remote.
Skirting the Issue
Yang receives a powerful artifact, but it's a skirt and he refuses to wear it.
Moon Over My Yinnie
Carl attempts to blot out the rays of the sun.
Clown-Fu Fighting
When Yang finds out that Master Yo knows a form of fighting known as Clown Fu, he wants to learn the various techniques
Cat Smash Fever
The Chung Pow Kitties are desperately trying to claim the Licking Stick in the Woo Foo Weapon armory as their very own.
Camp Magic Pants
Yin and Yang begin magic training at Camp Magic Pants and become involved in pranks that get them into trouble.
Worked Stiff
Yang takes a job at an amusement park that turns out to be anything but fun.
Mission Yinpossible
Yin and Yang attempt to prevent Carl from using a pair of magical slippers for evil purposes.
Disapp-Eared
Yang casts a spell that makes him disappear and unable to be heard.
Get Off My Back
Yin and Yang are magically stuck together by Mastermind so they will learn to cooperate with each other.
Slumber Party of Doom
Yin hosts her first slumber party but she drives everyone crazy with her strict schedule.
Old Softie
Badfoot tries to steal a powerful artifact from Master Yo.
Dance, Dance Devastation
Yin and Yang play a cursed video game, which requires them to keep dancing or die.
Upstanding Yuck
Yin and Yang's former enemy Yuck returns and claims to be a reformed rabbit.
A Walk in the Woods
Yin and Yang meet a seemingly sweet old lady who really wants to fatten them up and serve them for dinner.
Welcome to the Dark Tomorrow
Today You Are a Bear?
Yin and Yang want to become bears, but an evil ranger tries to get them mauled by the animals.
Pets Peeved
Yang gets a pet but it runs away after he neglects it.
For the Love of Clamboy
Yin tricks a clam into liking her so she can steal his jewels.
Zarnot's Girlfriend
Zarnot creates a robot girlfriend for himself.
The Secret Life of Possum Panda
Yang seeks out a vigilante named Possum Panda, but he discovers solo crime fighting isn't all it's made out to be.
Dummy Up
Yang resorts to talking to a dummy after Master Yo leaves town, which infuriates Zarnot.
The Howl of The Weenie
Eradicus creates a monster that gains power by consuming everyone's fears, and Yin and Yang try to destroy it.
Game Over
Yin and Yang compete with the Manotaur in a game of chance.
Creeping With the Enemy
Carl disguises himself as a normal kid to stop Eradicus from carrying out an evil plan that would make everyone bad.
The Yindianapolis 500
Yin and Yang are tricked into entering a dangerous car race.
Personality Problem
Yuck causes Yin and Yang to swap personalities so he can weaken them and seize power.
Season's Beatings
Zarnot disrupts Master Yo's holiday plans.
Splitting Hares
Yin and Yang team up with different partners to fight a common enemy.
Extra Cheese, Anchovies and Doom!
Yin and Yang tease a pizza-delivery man, so Master Yo makes them deliver pizzas on time or else become a slice themselve
The Confidence Game
Master Yo goes to extreme lengths to get Yin and Yang to take fighting seriously.
Roboticus Maximus
Mastermind attempts to destroy the city while Master Yo is absent, so Yin and Yang assemble an army to fight him.
Size Matters
Carl tries to make Yang his evil minion.
Unmoving Pictures
Yin and Yang are tricked into starring in a movie that is actually a trap set by Eradicus to destroy them.
The Recline and Fall of Civilization
Master Yo's recliner is discovered to be inhabited
Mind Games
Master Yo tries to teach Yin and Yang how to prevent Ella Mental from reading their minds.
The Carl of the Wild
Yin searches for a rare wild beast to protect it from hunters.
Clothes Encounters
Yin and Yang's dirty-laundry pile turns into a monster and escapes into town.
Commander-in-Cheat
President Muffins enlists help from Yin and Yang in a bid to get reelected.
Party Troopers
Yin and Yang throw a party, but Eradicus plans to crash it so he can destroy them.
Shadowcluck
Yin falls in love with Coop once again, but their relationship blinds them to Eradicus' plan to destroy the town.
Yin! Yang! You!
Leena meets Jason Earles and Mitchel Musso when she lands in Earles' backyard in Hollywood, where the two friends argue
Division Quest
Eradicus tries to divide the Woo Foo army in order to conquer it. He then takes a vacation at a spa where Master Yo is s
Yin, Yang... Who?
Yin and Yang search for their parents after Yin is drained of her aura and only a transfusion from a parent will save he