Night Fall: Coop has captured Master Yo for Night Master! Yin & Yang need help & they get Roger Jr.'s & Carl's help but when it seems Carl can't be trusted, Coop offers to help the heros search for the broken Toilet Brush of Illumination parts so the student's can defeat Night Master. While the other guys don't have any luck in receiving the scrubby part, Coop & Yin have an easy time getting the handle. Yin proves she trusts Coop & gives him the handle. Yet Coop's bliss is short as Night Master interrupts & blows Coop's cover! If Yin thinks she's angry as she thought she'd been nice to Coop, Coop proves angrier as he reveals Yin had never been nice to him! With Night Master powering up the Geosynchronometer with Yo's Woo Foo Aura, can Yin & Yang break out in time?moreless
Attack of the Lesson: Two evil spirits are released from their jars. They go to corrupt innocent beings into over-eating and laziness. But everybody is already like this, so the spirits have no work. A super-hero named The Lesson comes from beyond to make the city right again, but nobody is forcing the citizens to make bad habits, they're doing it of their own choice. The Lesson decides to force the citizens to learn a lesson even if it hurts them! Can Yin & Yang beat the Lesson by teaching him a lesson?
A Case of Evils: After Master Yo accidentally drinks a soda Carl drank out of, Master Yo swallows some of Carl's backwash. This causes Master Yo to slowly become evil with increasing intensity! Can Master Yo's students prevail and teach the master?
Bad Nanny Jamma: Saranoia wants to destroy Yang! The easiest way to do this is going to Master Yo's Dojo & destroy Yang there. To get in, Saranoia uses a broom wand to transform her into a maid. Unfortunatly for her, the wand has it's own mind & won't let Saranoia destroy Yang until the Dojo is spotless! How will Yin & Yang abuse this advantage?
Pros and Cons: Carl thinks the factor that keeps him from being a great villain is the fact he doesn't have even one henchman! When he hears Night Master is holding an Evil Convention in town and every villain in town is invited, Carl goes there hoping to find a henchman. Meanwhile, Yin & Yang are in disguise there, hoping to find out about Night Master's ultra Master Plan!
Wonder Tweens Go!: The one show Yin, Yang, Lena, and Melodia love more than anything in the world is Super Titanic Mega Team Teen Tween! as they never miss an episode! However, their dedication to the show interferes with their responsibilities, and this brings back The Lesson again! This time, he decides to show the four characters (and Dave, just for the heck of it!) why they should be more focused on being hero's in real life than trying to be superhero's on a T.V. show, and The Lesson even utilizes Zarnot in his plan. But is The Lesson playing with fire by giving Zarnot so much power in this plan? Touchy Feelings: Fred is feeling conflicted because he is unsure if he should be a good guy or a bad guy. But when he runs into Yin and Yang at the mall, he gets mad and zaps both Yang and Master Yo! Master Yo's body begins to fall apart, and Yang loses his emotions! At first, Yin thinks an emotionless Yang is going to be awesome, but she soon realizes Yang is absolutely Useless in a battle without all of his feelings inside of him! Can Yin help Yang get his feelings back and find a way to cure Master Yo in time?moreless
Old Softie: The Woo Foo Warriors are bored out of their wits as there are no villians to beat. Except for Badfoot. He wants his Lickin' Stick back! So he devises a plan to lure Yin, Yang, and Master Yo away from the dojo so his henchmen can sneak in to steal it! And Badfoot uses Master Yo's greatest weakness: a Pretzel Factory run by Salty McSalter-stein! Even though it seems as though the Pretzel Factory Tour will be fun, Yin and Yang are determined not to enjoy it in spite all the obstacles Salty puts them through. Will Badfoot get the upper hoof on the Warriors, or does Master Yo have an ace up his sleeve? Dance, Dance Devastation: Yang is confident that he can beat Yin in every type of video game ever made! Carl decides to use the rabbits competitive nature to his advantage. He zaps up a cursed video game where the object is to dance in order to get the highest score. But as soon as Yin and Yang get on it, they are now forced to literally dance for their lives because if they stop dancing, they'll croak! And Carl has a plan to poison the Town's President by using a Cookie of Doom! Can Yin and Yang figure a way to stop Carl and the dancing in time?moreless
Master Dave: The Tree Stump Kid named Dave is disappointed his friends Yin & Yang missed his birthday party. To make up for it, Yin & Yang promise to do anything to Dave to make it up to him. When Dave learns he has a "Day After His Birthday Party," coming up, he convinces Yin & Yang to pretend to be his students. But Master Yo warns Yin & Yang no good can come out of lying. What will be the consequences of Dave's lying, and can Yin & Yang save Dave from those consequences?
Destination Danger: Years ago, Master Yo gave a powerful weapon, the Knuckles of Infinite Smackdown, to his friend Gumpy for safekeeping. But now that the Night Master is after it, Master Yo must take Yin & Yang on a road trip and try to throw the Night Master's lackey's, Dank and Dire, off of Master Yo's trail. Will he be sucessful?
Foreign Exchange Problem: Yin and Yang get a lesson in cultural enrichment when a foreign exchange student from Redneckistan named Jobeaux shows up. Meanwhile, the Chung Pow Kitties return in search of a powerful Woo Foo artifact. Yin and Yang suspect that there is more to Jobeaux than meets the eye--and not in a good way. Are they right, or is he really a clueless hick?
Turnabout: Master Yo is sick of Yin and Yang disrespecting him. Yin and Yang are sick of Master Yo treating them like babies. When young Kraggler switches ages with Yo (all part of a diabolical plan), Yin and Yang are then forced to babysit the three-year-old Yo, and he reveals how powerful (and bratty) he was as a child. Can Yin and Yang balance babysitting a brat and defeating an evil gargoyle?