List of Yin Yang Yo!: Marvel Quest episodes

Season 1:

 * 1) In Red Shining Armor
 * 2) PLOT: Nick Fury of S.H.I.E.L.D., amazed by Yin's and Yang's efforts against evil, recruits the rabbits on a quest to keep world peace by helping various superheroes battle supervillains. Therefore, after Eradicus returns from his landfill prison and resumes another age of evil, Carl gets revenge on him and forms an alliance with Loki and his army to overwhelm Eradicus and aevery single bad guy on the planet. After that, Eradicus surrenders and Carl recruits Crimson Dynamo and gives him a power booster to destroy both Iron Man and the WooFoo Warriors. After that, Yin and Yang seem game for this matter. Meanwhile, Carl recruits major supervillains Green Goblin, Magneto, Leader, Mandarin, M.O.D.O.K., Baron Zemo, Red Skull, Loki, Doctor Doom, and Mephisto. Together, they form the Cabal as they have one mission: destroy WooFoo!
 * 3) INTRODUCING CHARACTERS: Yin, Yang, Master Yo, Carl the Evil Cockroach Wizard, Ultimo, Nick Fury, Maria Hill, Quartermain, Jimmy Woo, Black Widow, Hawkeye, Iron Man, Crimson Dynamo,  Principal Stan Lee, Loki, Enchantress, Executioner, Doctor Doom, Red Skull, Baron Heinrich Zemo, Mephisto, Mandarin, M.O.D.O.K., Green Goblin, Magneto, Leader, Eradicus, Ella-Mental, Indestructi-Bob, Rubber Chucky, Brother Herman, Saranoia, Kraggler, Zarnot, Chung Pow Kitties, Fastidious, Pondscum, The Lesson, Smoke, Mirrors, Fr-Ped, Mastermind, Badfoot, Puffin, Manotaur
 * 4) The Slick and the Dead
 * 5) PLOT: Yin and Yang disobey Fury's orders, and go with the reluctant Ghost Rider to save Lena from Blackheart, who also plots to raise an undead army.
 * 6) INTRODUCING CHARACTERS: Lena, Roger Jr., Dave, Boogeyman, Jobeaux, Ghost Rider, Blackheart, Phil Coulson
 * 7) Don't Let Down Your Asgard!
 * 8) PLOT: Yin and Yang are summoned to Asgard to help Thor stop Loki from overthrowing his father's throne.
 * 9) INTRODUCING CHARACTERS: Thor, Odin
 * 10) Laws and Claws
 * 11) PLOT: Yin and Yang team up with the mutant Wolverine to fight Team X, a team of evil mutants sent down by Department H to capture Wolverine and use him in their deadly experiments.
 * 12) INTRODUCING CHARACTERS: Wolverine, Omega Red, Sabretooth, Lady Deathstrike, Deadpool
 * 13) Up From the Depths
 * 14) PLOT: When Namor the Sub-Mariner rises to the surface world to "punish" humanity, it's up to Yin, Yang, and the Fantastic Four to fight him. What they later realized that Namor is tricked by Doctor Doom into blaming us for destroying his empire during his abscence.
 * 15) INTRODUCING CHARACTERS: Mr. Fantastic, Thing, Human Torch, Invisible Woman, Sub-Mariner
 * 16) Loony Legends
 * 17) PLOT: While Yin, Yang, and Hawkeye are fighting H.Y.D.R.A. in the North Pole, they discover a frozen Captain America in cryostasis. After being thawed out, the confused Captain America goes crazy and fights a bit. He later realized that everyone still needs him today. They team up to stop H.Y.D.R.A. and Hate-Monger from using a deadly weapon. It is also mentioned that Master Yo and Captain America used to fight alongside each other in the 40s.
 * 18) INTRODUCING CHARACTERS: Captain America, Bucky Barnes(flashback), Arnim Zola, Baron Strucker, Viper, Grim Reaper, Hate-Monger
 * 19) Green in Between
 * 20) PLOT: Yin and Yang try to hide the Hulk from Master Yo, SH.I.E.L.D., General Ross, and A.I.M., who plan to capture the Hulk and try to enslave him.
 * 21) INTRODUCING CHARACTERS: Hulk, General Thunderbolt Ross, M.O.D.O.K., Controller
 * 22) Sea What I Mean!
 * 23) PLOT: Yin and Yang face an onslaught led by Attumo.
 * 24) INTRODUCING CHARACTERS: Attumo
 * 25) Rabbit Rampage
 * 26) PLOT: Egghead implants a control chip inside Yang, causing him to go beserk. Ant-Man and Wasp try to deal with the situation by shrinking and going into Yang.
 * 27) INTRODUCING CHARACTERS: Ant-Man, Wasp, Egghead, Whirlwind, Radioactive Man, Goliath
 * 28) Magic and Mayhem
 * 29) PLOT: Ella-Mental makes contact with Dormamuu and his lackey Mordou, who have their sights set on Doctor Strange.
 * 30) INTRODUCING CHARACTERS: Doctor Strange, Mordou, Dormamuu
 * 31) X-Men Marks the Spot!
 * 32) PLOT: Yin and Yang team up with the X-Men to battle Zarnot, who has teamed up with the Juggernaut. Then Storm joins in for assistance.
 * 33) INTRODUCING CHARACTERS: Cyclops, Jean Grey/Marvel Girl, Beast, Angel, Iceman, Storm, Juggernaut, Professor Charles Xavier
 * 34) Neat Vision
 * 35) PLOT: When the Chung Pow Kitties get Yang blind and rob the WooFoo Armory, Daredevil steps in to help Yang teach him blind-fighting, and defeat the Kitties.
 * 36) INTRODUCING CHARACTERS: Daredevil
 * 37) Out of Yin-Sync!
 * 38) PLOT: Yin and Yang continue to keep getting tardy for school. As a result, Principal Stan insists that they should have a curfew. How could they sleep at night when the Cabal creates Technovore that feeds on data.
 * 39) INTRODUCING CHARACTERS: Technovore
 * 40) Catching Silver Waves
 * 41) PLOT: Yin and Yang join the Fantastic Four once again to fight another evil-to-good foe: the Silver Surfer, who has targeted Earth for his mammoth master Galactus to devour. The Surfer later discovers the preciousness of life, and turns on Galactus.
 * 42) INTRODUCING CHARACTERS: Silver Surfer, Galactus
 * 43) Circus of Doom
 * 44) PLOT: When Hawkeye gets nabbed by Ringmaster, Yin and Yang try to rescue him, but they end up in a circus, and I bet they won't be here for a fun time!
 * 45) INTRODUCING CHARACTERS: Ringmaster, Swordsman, Clown, Bruto the Strongman, Teena the Fat Lady, Human Cannonball, The Great Gambonnos, Rajah
 * 46) Welcome to the Jungle
 * 47) PLOT: The Black Panther asks for help of Yin and Yang when his father is killed and Man-Ape rules most of Wakanda. At the end, we find out that Man-Ape didn't kill the Black Panther's father. So, who did?!
 * 48) INTRODUCING CHARACTERS: Black Panther, Man-Ape, Klaw
 * 49) Mortal Woes
 * 50) PLOT: Mastermind gives criminal Crusher Creel a tonic that allows him to absorb elements into his body, and use it to attack Yin and Yang, who are helping Thor get the hang of their world.
 * 51) INTRODUCING CHARACTERS: Absorbing Man
 * 52) Having a Jubilee
 * 53) PLOT: Rookie Jubilee has no idea what it takes to be an X-Man. When the Brotherhood of Evil Mutants plan war on humanity, she must join up with Yin, Yang, Wolverine, and the X-Men to prove herself.
 * 54) INTRODUCING CHARACTERS: Jubilee, Blob, Toad, Avalanche
 * 55) Sweet and Sour
 * 56) PLOT: When Kidney Lady's TV show "Don't Be Sappy, Be Happy!" brainwashes the town's children, even Yang, Yin and Howard the Duck are the only ones who can sort out the mess.
 * 57) INTRODUCING CHARACTERS: Howard the Duck, Kidney Lady
 * 58) The Castle of Doom!
 * 59) PLOT: Doctor Doom rounds up the Frightful Four to seek revenge on the Fantastic Four. Yin, Yang, and Falcon were dispatched to investigate a strange energy beacon, coming from Doctor Doom's castle, which could be a trap!
 * 60) INTRODUCING CHARACTERS: Falcon, Wizard, Trapster, Thundra
 * 61) Feel the Sting
 * 62) PLOT: Yin and Yang were assisted by Mockingbird and Hawkeye when Fury enlists them to sabotage H.Y.D.R.A.'s newest scheme. Sadly, at the end, Black Widow has betrayed our heroes and starts to help Strucker.
 * 63) INTRODUCING CHARACTERS: Mockingbird
 * 64) Team Trouble
 * 65) PLOT: Alpha Flight, who are Wolverine's former mutant teammates, capture the mutant, and convince him to rejoin them. Will Wolverine stay with the X-Men? Or will Guardian use him as a pawn again for his twisted desires? It seems that Guardian is the traitor.
 * 66) PLOT: Guardian, Sasquatch, Northstar, Aurora, Snowbird, Shaman, Puck, Marrina
 * 67) Eradical Man, Eradical
 * 68) PLOT: Yin and Yang are beyond horrified when they discover that Eradicus is still alive and has climbed out of his prison. He then tears a time stream, dragging Yin and Yang to 1985. Only Melodia and Rocket Raccoon can bring them back.
 * 69) INTRODUCING CHARACTERS: Rocket Raccoon
 * 70) Clash for the Cube!
 * 71) PLOT: Now that Eradicus has the Cosmic Cube, Iron Man, Captain America, Yang, and Yin must get it back before he can warp reality with it.
 * 72) INTRODUCING CHARACTERS: n/a
 * 73) Turn of the Tide!
 * 74) PLOT: With Loki's help under Carl's request, Eradicus activates the same army (the same one he had in Yin Yang Who?) and orders an all-out assault on the human world! Yin, Yang, Master Yo, Melodia, and the WooFoo Army are overwhelmed this time! If things weren't complicated enough, Carl arranges an attack on S.H.I.E.L.D. as well! They need help!
 * 75) INTRODUCING CHARACTERS: n/a
 * 76) Yin Yang Yo! Let's Go!
 * 77) PLOT: While Yin, Yang, and Master Yo were busy holding off Eradicus' Army with Carl trying to destroy the S.H.I.E.L.D. Hellicarrier, Melodia and the WooFoo Army must gather around every hero they can find if they want to reach Level 1. But will they? You'll have to watch to find out!
 * 78) INTRODUCING CHARACTERS: n/a

Season 2:

 * 1) Don't Be An Animal
 * 2) PLOT: Yin and Yang travel to the Savage Lands to help Ka-Zar rescue his "blood brother" Zabu when he is captured by Smoke.
 * 3) INTRODUCING CHARACTERS: Ka-Zar, Zabu
 * 4) Black Vengeance
 * 5) PLOT: Against Fury's wishes, Hawkeye drags Yin and Yang to H.Y.D.R.A.'s base so he can seek revenge on Black Widow for her treachery, with Captain America on his trail. At the end, Iron Man is attacked by an unknown enemy. At the end, it's revealed that Black Widow pretended to work for H.Y.D.R.A. under Nick Fury's request.
 * 6) INTRODUCING CHARACTERS: King Cobra, Death Adder, Rattler, Constrictor, Obadiah Stane
 * 7) WooFoo History
 * 8) PLOT: 1940s Yin and Yang were dispatched to help Captain America, Bucky Barnes, and the Howling Commandos to shut down H.Y.D.R.A.'s newest scheme. However, Waffles the Bunny keeps complicating things.
 * 9) INTRODUCING CHARACTERS: 1940s Yang, 1940s Yin, Sgt. Jack Fury, Corporal Timothy Aloysius Cadwallader "Dum Dum" Dugan, Private Isadore "Izzy" Cohen, Private Gabriel Jones, Private Dino Manelli, Private Robert "Rebel" Ralston, Private Jonathan "Junior" Juniper, Electro, Human Torch (the android, not Johnny Storm), Waffles the Super Bunny
 * 10) TRIVIA: This is the first of the four episodes starring Yin and Yang in their alternate 1940s versions.
 * 11) Nerves of Steel
 * 12) PLOT: Picking up where "Black Vengeance" left off, Yin and Yang rescue Iron Man when is attacked by an unknown assassin sent down by Obadiah Stane, who discovers Iron Man's identity.
 * 13) INTRODUCING CHARACTERS: Blizzard, Iron Monger
 * 14) TRIVIA: This is Part 2 of "Black Vengeance" rather than "WooFoo History."
 * 15) Fighting Fire With Fire
 * 16) PLOT: Yin and Mr. Fantastic rebuild a very old but familiar robot that has the same superhero name like Johnny Storm's. However, Doctor Doom and M.O.D.O.K. have plans for it...
 * 17) INTRODUCING CHARACTERS: n/a
 * 18) Siblings vs Siblings!
 * 19) PLOT: Yin and Yang come face to face with Scarlett Witch and Quicksilver, two mutant siblings that have ties with Magneto! Meanwhile, Mastermind reforms Roboticus Maximus to make things even worse.
 * 20) INTRODUCING CHARACTERS: Scarlett Witch, Quicksilver
 * 21) Skrull Hunt
 * 22) PLOT: Strange aliens called Skrulls invade the world and take identity of almost anyone. It's up to Yang and Yin to hunt down the Skrulls and clean up their town. While that, they were attacked by the Super Skrull.
 * 23) INTRODUCING CHARACTERS: Skrulls + Super Skrull
 * 24) TV or Not TV
 * 25) Love Bites
 * 26) Judgment Day
 * 27) Chill of the Night
 * 28) Fiends of the Future
 * 29) Avengers Assemble!
 * 30) Here Comes Spider-Man!

Season 3:

 * 1) Mutants vs Avengers
 * 2) Ghost in the Machine
 * 3) The Man-Thing
 * 4) From the Underground Up
 * 5) Fangs for Nothing!
 * 6) The Masters of Evil!
 * 7) Meet the Cabal!
 * 8) Bought and Bold!
 * 9) Worlds Away!
 * 10) Days of Future's Past!
 * 11) Heroes Old and New!
 * 12) This Cat Has Claws
 * 13) On the Wild Side
 * 14) Night and Day
 * 15) The Cluck of Darkness
 * 16) WooFoo Army Redux
 * 17) Paradise Lost
 * 18) New Recruits
 * 19) Reality and Illusion
 * 20) Chaos Reigns!
 * 21) The Winter Soldier
 * 22) Red and Green All Over!
 * 23) Korvac Rising
 * 24) Asgard Quest
 * 25) Looky Loki!
 * 26) The Infinity Gauntlet!

Season 4:

 * 1) WooFoo-pocalypse!
 * 2) Masters of Evil Revisited!
 * 3) The Age of Ultron
 * 4) Four and Purple
 * 5) Cracking Skulls
 * 6) Ride Away
 * 7) School Daze
 * 8) Can't Beat the Heat!
 * 9) Behold the Evil Entity!
 * 10) Heir to the Throne
 * 11) Night Master Carl
 * 12) Kaiser Arise!
 * 13) The Best...Day...Ever...!