List of Yin Yang Yo! episodes (Season 4)

Episodes of Season 4:
 * 1) Evil Wars Part 1
 * 2) PLOT: Carl and Brother Herman, who are fed up with fighting over for the love from their mom, they declared total war with one other! With Mirrors, Saranoia, Kraggler, Fastidious, Bakermuff, Puffin, Fr-Ped, Manotaur, and Zarnot on Carl's side, and Smoke, Pondscum, Chung Pow Kitties, Hal Van Siego, Smedley, Yuck, and Badfoot on Herman's side, results are going to be disasterous! Whoever wins, rulesthe world!
 * 3) Evil Wars Part 2
 * 4) PLOT: While the wars between the brothers continue, Yin and Yang must resolve the situation before it's too late! Meanwhile, we discover that Mastermind was manipulating the brothers into fighting this dreadful war.
 * 5) Two For the Show/Dark Trap
 * 6) PLOT: Kevin Irons resurrects Dr. Amerutto to increase his strength. As they team up to defeat WooFoo, and when magic and science are together, they are unstoppable!/An evil ninja assassin of the late Night Mistress, named Kenta, commits a series of minor petty crimes, as just a plan to lure Yin and Yang to a fatally dangerous trap!
 * 7) Honey Bunny/DirecTerror
 * 8) PLOT: Kevin Irons creates four powerful warriors to create a four-pointed seal that can swallow the town whole. When the WooFoo Warriors come by to end this madness, they are getting help from a mysterious adversary./Master Yo upgrades from cable to a satellite provider, and it got Yin's and Yang's attention! Then the Lesson pops up, and tries to "teach" them a lesson about the corruption of children's minds by the media. Will Yin and Yang turn this around?
 * 9) TRIVIA: The episode "Honey Bunny" marks the first appearance Honey Bunny, who could be Master Yo's wife. In the episode "DirecTerror," the programs as worlds that Yin and Yang went to are satires of hit popular TV shows.
 * 10) Eat My Dust/Child's Play
 * 11) PLOT: Boogeyman suffers from peer pressure when his peers get into a fight, and challenge one other in an illegal racig circuit. And they want Boogeyman involved! And things get worse when Carl tries to blow up a mountain./A group of kids are amazed by Yin's and Yang's abilities, that they want to be superheroes like them! So, a stranger gives them temporarily superpowers that can make them, well, super! And it wears off every two hours. There is a way the effect can be permanent, and that can be rewarded if the kids do the stranger a favor: destroy Yin and Yang!!!
 * 12) The Incredible Shrinking Rabbits/Worst Show on Earth
 * 13) PLOT: Fastidious shrinks Yin and Yang, forcing them to chase him through micro-sized dangers, like mice, a rolling ball, a hungry eight-eyed spider, and more!/The Puffin traps Yin, Yang, Dave, Lena, and Jobeaux into an evil circus performance! With Yin and Dave as clowns, Yang as a strongman, Lena as a trapeze artist, and Jobeaux as a lion tamer, things are high-stake!
 * 14) Alternatives/Framed
 * 15) PLOT: Yin and Yang, bored out of their minds, accidentally sucked themselves into a microscopic world, where everyone is opposite!/Picking up where Alternatives left off, Yin's and Yang's evil counterparts Fin and Fang escape from their world to the WooFoo world, framing Yin and Yang for every crime they commit! How are our heroes able to defeat their counterparts and clear their good names?!
 * 16) TRIVIA: "Framed" is meant to be Part 2 of "Alternatives."
 * 17) Bad Weather/Showtime
 * 18) PLOT: After a bone-headed weatherman gets fired, Saranoia fills in. But her magic allows her predictions for coming weather to come true!/Master Yo, Yin, Yang, Honey Bunny, Jack, and the WooFoo put on a play about the first years of WooFoo.
 * 19) In Your Dreams/For Crying Out Loud
 * 20) PLOT: Smoke and Mirrors use a device on the WooFoo Warriors that allows them to be in a deep sleep, making them have nightmares based on their biggest fears. How will they face them, and wake up?!/Lena and Roger Jr. give a now-sensitive Yang a challenge to not cry for 24 hours. And I bet it won't be easy!
 * 21) Out to the Streets/Clean Up Your Act
 * 22) PLOT: Manotaur and Carl team up and buy the Dojo, leaving the WooFoo gang...in the streets! While Master Yo files for unemployment benefits, how will they get the dojo back and beat the villains?!/Fastidious, taking advantage of Jobeaux's absence, successfully conquers Redneckistan, and becomes their new king! Will anyone rebel against him to retake their homeland?
 * 23) School Daze/Sticky Situation
 * 24) PLOT: Fed up with the town's kids running ruckus, the Manotaur creates and runs a school to make them "behave." And it's brainwashing them all, including Yin, Yang, and the WooFoo Army as well! What can be done?!/Brother Herman swells up his ranks of his army...by hiring air support! His air force is now an army of bees, the same ones Yang stole the honey from! There can be a possibility to turn this around!
 * 25) Breaking the Habit/Feel the Beat
 * 26) PLOT: Everyone in town is attending a block party about the dangers of smoking. Meanwhile, two stoners from another dimension come by, and sicken half of the population with nicotine gas. Yin and Yang travel to the stoners' dimension to try to stop them, as well as to cure everyone./Jack matches wits with a vengeful pimp, who challenges him to a rap battle. So, he selects Yin, Yang, Lena, Boogeyman, and Melodia to help him out.
 * 27) TRIVIA: After the episode "Breaking the Habit", a PSA shows, just like in the Season 2 episode "An Inconvient Tooth."
 * 28) Out of Style/Something's Fishy
 * 29) PLOT: Mourning over the loss of Eradicus, Ella-Mental, Indestructi-Bob, and Rubber Chucky travel back in time to the 1980s, with Yin and Yang in pursuit. The villains hope to do that so they can prevent Yin's and Yang's birth from happening. They meet a girl, who is Honey Bunny in the past! What does this have to do with them?!/While fishing, Yang, Roger Jr., and Dave accidentally stumble upon an underwater city, who asks for their help when an evil army is attacking them all!
 * 30) TRIVIA: In the episode "Out of Style", the well-known franchises of the 80s, like He-Man, Thundercats, My Little Pony, Transformers, Care Bears, Strawberry Shortcake, Voltron, and Teenage Mutant Ninja Turtles were satirized here.
 * 31) Gone Psyche
 * 32) PLOT: Kevin Irons and Kenta lures Yin, Yang, and the WooFoo Army to a trap! They put themselves into a dreamworld where their favorite fantasies seem real to them! It's all a distraction for the villains to commence their evil deeds without interruption! While so, our pint-sized heroes discover that a new Night Master is on the way, ad it's more dangerous than the last!
 * 33) Fairly Lame Tales/Not As Seen in 3-D
 * 34) PLOT: Carl traps 1/4 of the WooFoo Warriors into a series of fairy tales. And they must follow by the book in order to escape./Carl strikes a deal with a techno-criminal to trap Yin and Yang into a virtual-reality world.
 * 35) TRIVIA: In "Fairly Lame Tales", the fairy tales Carl sucks the WooFoo Warriors in are Jack and the Beanstalk, Three Little Pigs, Alice in Wonderland, Peter Pan, and Sleeping Beauty./In "Not As Seen in  3-D", this is the first time we see Yin, Yang, and Carl in 3-D CGI animation.
 * 36) Hunter's Game/The Nose Knows
 * 37) PLOT: Hal Van Siego compete with one other to capture the rarest beast, and Yin and Yang pursue them so they won't do any damage./While Yang has a big nose-picking habit, Mastermind picks up where Evil Wars left off, and tries to obtain a powerful crystal that can grant anyone one free wish every 1,000 years. Will Yang break the habit so he can focus on helping his friends beat Mastermind in his own game?
 * 38) Way With Words/Zarnot Jr.
 * 39) PLOT: A loud-mouthed, money-hungry, cigar-chomping, children-hating executive of a TV company produces a "kid-safe TV series" that makes all of the town's kids swear like sailors, even Yin, Yang, and the WooFoo Army! So Master Yo, Jack, and Honey Bunny must unravel and fix this situation./Feeling like the third wheel since he found out that Yang is Master Yo's son, he makes a robotic offspring of his own to get even with them!
 * 40) Unhappy Birthday
 * 41) PLOT: It's finally Yin's and Yang's 12th birthday, but the fun must be on hold when the twins are sent on an urgent mission to misfire a last-ditch effort to revive the Night Mistress! It's an ancient jewel that's the key to her burial seal! Will the tiny titans of justice recover the relic before it's too late?!
 * 42) Fashion Compassion/Double Decision
 * 43) The Big Breakup/Dating Downfalls
 * 44) Hot and Cold All Over/Banded Together
 * 45) Mastermind's Big Break
 * 46) Blast Into the Past
 * 47) Truth and Consequences/Follow the Leader
 * 48) Lost in Transaction
 * 49) Snake in the Grass