Season 1

Commander ApeTrully is captured by the Rabbit King Jumpy Ghostface while trying to make peace with the rabbits. When Mighty Ray and Mystique Sonia get captured, Lin Chung comes to the rescue.

During a heat wave, Big Green hears that the Elephants are using their whistles to whip humans. While going to save Commander ApeTrully, First Squad are forced to blow a giant whistle more straight than the Elephant King while Lin Chung paints a tree using a bird's footprints. However, the Elephant King destroys his Painting, angering him and making him blow the whistle very straight, destroying it.

A big surprise, Sonia gets a new zit. But Yaksha's desire to pop her zit proves to be a problem when it comes to making peace with the Ligers, which he is burnt to ashs. Meanwhile, Sonia is mad when her friends do not care for her.

Lin Chung, although leader of the team, has horrble drawings. His team lies positive things about them. Meanwhile, when he's trying to make peace with the Camels, Commander ApeTrully is captured and used as a drawing model. First squad tries to save him but fail due to the Camels' foul smelling saliva. Luckily, Woo the wise decides to freshen their saliva using mint flavoured gum.

After Parrot King accepts Commander ApeTrully's offer to join Big Green, both of them are captured by the Zebra Brothers.

First Squad and Second Squad compete in a Turtle tank race for the Golden cup of the Turtle and the right to be called first squad.

After being upstaged at Big Green, singer Rattle Diva assists the Pandas and Giraffes at Pandaffe Castle. Commander ApeTrully watches half of the show, then "criticises" it. The Pandaffes despies this and entrap Commander ApeTrully under the weight of one of the Pandas.

While trying to make peace with the Eagles, Commander ApeTrully ends up trapped in a large metal skeleton created by the Zebra Brothers and operated by the Eagles.

Since Commander ApeTrully has hurt his foot, Woo the Wise and the Parrot King are sent to cover for him when it comes to making peace with the Baboons who have been taken over by evil fleas causing them to steal water from the humans. Meanwhile, a lack of laundry work at Big Green results in a bad smell that causes the females there to pass out.

Unable to find a solution to increased traffic and decreased housing in East Citadel during his plans to conquer the Moon, HighRoller holds a Folk Game Competition to try to acquire Big Green and goes up against Jumpy Ghostface. If Jumpy wins, HighRoller gives up Bear Castle. If HighRoller wins, he gets Big Green.

The Zebra Brothers have stolen a magical amulet from the Owl tribe. First Squad chases the bad boys down, but just as they were in reach, their turtle mounts poop out. Back at base, ApeTrully offers the turtles a much-needed break, but Mighty Ray, still infuriated, hurts their feelings. Feeling unloved the turtles leave and fall into HighRoller's hands.

While First Squad searches for the turtles, Mighty Ray trips and swallows a turtle egg, gradually turning him into a turtle. When First Squad is forced to battle their own turtles, Mighty Ray is able to speak their language and bring them back from the brink. He eventually coughs up a baby turtle and gains a special place in the turtles' hearts.

Camel King finds that he is a great artist if he's hit on the head. After beating Lin Chung in an art contest, Camel King believes Camels are superior artists and once again has the Camels mistreat the humans. With Lin Chung depressed upon being defeated, the other members of First Squad try to stop Camel King without him.

First Squad and Second Squad compete in another Turtle Cannon Competition. This time, both teams end up using turtles of different sizes for each event. For the first event, giant turtles are used to shoot each team's captain and for the second event, the tiny Turtle tanks are used as Roller Skates.

Elephant King, while taking a walk to find some creativity to make his job better, believes the Zebra Brothers' lie about Big Green and has the humans create tanks for the Elephants. Commander ApeTrully ends up captured trying to get Elephant King back. With Lin Chung having a cold from too much cold air, the rest of First Squad has to rescue Commander ApeTrully without him. Ultimately, the Elephant King gets muddy, Mystique Sonia cleans him and then reveals the Zebra Brothers, who Elephant King throws into the mud.

When Mystique Sonia does not fall under the spell of the Peacock Queen's beauty and obey her, she challenges Sonia to a beauty contest which involves having to use fans to extinguish the nearby volcano's flames.

When the Zebra Brothers attack First Squad with a moonlight lantern spell, they turn the boys of First Squad into completely opposite versions of themselves. Not only are they now girls, they are girls with major complexes. Mystique Sonia is thrilled to finally have the guys understand her, until their lack self-confidence gets in the way of major battle with Crane King and his Origami Warriors.

When ApeTrully and the Calabash Army disappear in the Dark Forest, First Squad deploys. Surprisingly they find their friends and many other animals suspended in goo-like holiday ornaments hanging from tree branches. Turns out they are all the collection of the Slug King and his warriors and they're not about to give up their menagerie. After a hard battle, Slug King sees the error of his ways.

When First Squad is sent to the frozen areas to make peace with the Dog King, Mighty Ray also help dentist Wu Sung find his long-lost brother. First Squads soon discovers that Dog King is a human who was raised by the Dogs.

After receiving trash as tribute from the Rhinos, HighRoller equips the Rhinos' horns with stamps telling them that whatever they stamp, the Rhinos claim what they marked for themselves and HighRoller. Meanwhile, Mighty Ray learns how the Turtles react when he mistreats his Turtle.

Mystique Sonia eats too many of her strength buns becoming large and bulky. When Commander ApeTrully gets captured when trying to make peace with the Lions, First Squad and the Infantry must fight on even if Mystique Sonia's current condition may come in handy.

Not knowing that the slot machines are rigged by the Zebra Brothers, Commander ApeTrully tries to win a jackpot (3 yo-yos) to gain an audience with Crocodile King. When Mighty Ray discovers this, he ends up fighting the Crocodiles. When Mighty Ray does an impossible yo-yo trick, he winds up having the crocodile king join Big Green.

Commander ApeTrully and the Zebra Brothers are captured by the Cats for laughing which is not allowed by the Cat King.

A "Cocky Alien" crashes First Squad's Shuttlecock Competition with the King and Queen of Cheetahs, though First Squad fails to recognise it at first.

The Zebra Brothers send the Eagles to attack Big Green and end up overwhelming the Air Force and Anti-Air Troops. Meanwhile, Mighty Ray and Sonia are jealous of Lin Chung.

The Sharks have taken a boat full of people hostage. Meanwhile, First Squad admires Lin Chung's "accidental art". Which makes Lin Chung frustrated.

The Soldiers of Darkness capture the Parrots and Jumpy Ghostface (who was protecting Parrot King). The Zebra Brothers use their Ghost Lantern powers against the Soldiers of Darkness as part of a plot to capture Jumpy Ghostface and Parrot King in order to turn them over to HighRoller for a reward.

Annoyed that his followers are reading Big Green's books, HighRoller orders the Zebra Brothers to destroy all the books, and holds a Folk Game Competition to distract Big Green from this undertaking. As HighRoller goes up against Lin Chung, the Zebra Brothers unknowingly take HighRoller's comic books as well.

Snake King and his subjects turn anyone who looks at them into eggs kept inside Snake King's box. When the Commander ApeTrully, the Zebra Brothers, and most of First Squad end up turned into eggs, Mystique Sonia must overcome her fear of Snakes to defeat Snake King.

Jumpy Ghostface's ability to draw others into his daydreams comes in handy when making peace with the Octopi who have stolen the color from Big Green's shell on the Zebra Brothers' orders, as well as Mighty Ray's colours.

The Egrets and the Oxen torment humans by tempting them with fried rice, then throwing lead balls at them. A swarm of locusts attacks the rice crops while First Squad attempts to make peace. Jumpy gets hurt by Ox King when he tries to befriend the locusts.

HighRoller holds a firework display contest to see if anyone is a better "fireworker" than he is. To draw some challengers from Big Green to East Citadel, he has Bearstomp and the Zebra Brothers capture humans for hostages who may be freed by the winner.

HighRoller, Bearstomp, and the Zebra Brothers capture Commander ApeTrully and the Tank Army when Commander ApeTrully tries to make peace with the Chameleons.

The Eagles (now Bald Eagles after their last encounter with Big Green) want revenge on Big Green. They work with the Zebra Brothers who have captured Commander ApeTrully and Master Chou. Lin Chung must save them alone due to the other members of first squad becoming too dazed after their attempt at the parachute test.

This episode shows how Commander ApeTrully got Sammo the Whale on his side and how Sammo helped First Squad, Commander ApeTrully, and the Sailor Brothers get to Crab Castle to save the captive humans.

Tired of the Zebra Brothers arguing amongst each other, HighRoller splits them up so that they can lead the Pig Army and the Skunk Army in attacking Big Green. Meanwhile, Big Green deals with a Termite infestation problem.

When First Squad is captured by a raving mad Minotaur, he forces them to serve as gladiators for his own entertainment. Matters get worse when he pits them against each other in a fight to the death. Lin Chung thinks fast and asks his teammates to help him fake a battle that looks intense, but ultimately allows him to destroy the power grid that keeps them trapped.

When Jumpy takes a heavy dose of Chaotic Energy during a battle with TwinMasters, his imagination literally comes to life. Whenever Jumpy sleeps, the monsters he dreams up come alive. Back at Big Green Woo must come up with a solution before the creatures escape and harm innocent citizens of Hidden Kingdom.

Angered that they did not get nominated in the Big Green Awards, Second Squad leaves Big Green and teams up with Chameleon Queen after she had been kicked out upon being accused of eating HighRoller's candy. Second Squad then challenges First Squad to a Turtle Tank Race within Chameleon Queen.

While trying to make peace with the Scorpions, Commander ApeTrully accidentally wrecks one of their paper ornaments. When most of First Squad are poisoned and forced to stand upside down, Yaksha is the only one to get the antidote from the Zebra Brothers. However, when the Scorpions make peace with Big Green, the Zebra Brothers use their lanterns to merge into their monster form.

HighRoller challenges Big Green to a Table Soccer Competition. HighRoller makes a bet with Commander ApeTrully where the loser has to drink all of the watermelon juice.

The Groundhog King and his subjects steal vegetables from human farmers. First Squad goes up against the Groundhogs and the Bogwah to determine the fate of the stolen vegetables. As Jumpy Ghostface landed on O, First Squad has a competition to find the stolen vegetables before the Groundhogs do.

After accidentally wrecking Lin Chung's drawing of them due to their disagreement on where it should go, the Cheetah King and Queen accompany Lin Chung to the castle of Duckbill King to get the picture fixed.

The Bald Eagles (now transformed into Ostriches after an inept rescue by the Zebra Brothers) still team up with them for revenge against First Squad when the Zebra Brothers say they have a method to change them back into Bald Eagles. The Zebra Brothers pretend to join Big Green so they can get First Squad's alarm system and train the Bald Eagles to come to their aid just like First Squad goes to save Commander ApeTrully when he gets captured.

The Deer are capturing the humans near the Magnetic Mountains as the Zebra Brothers frame them for ruining the Deer King's card stacks. When Mighty Ray loses his eyeballs in his messy room, the other members of First Squad have to go on without him.

HighRoller and the Zebra Brothers capture Big Green's Air Force at the Spikey Mountains in a plot to give First Squad a humiliating defeat with the help of the Porcupine King. Meanwhile, Mystique Sonia and Mighty Ray are disagreeing with each other due to Mighty Ray saying that Mystique Sonia's buns "taste like dirt", much to Lin Chung's annoyance.

The Sheep have trapped Commander ApeTrully in wool sweaters that shrunk on him when it got wet. Due to Mystique Sonia's sewing accident on Jumpy Ghostface caused by Yaksha's jealousy which resulted in Jumpy losing some of his fur, First Squad must rescue Commander ApeTrully without him. The Sheep also trap First Squad with wool sweaters that shrink when they get wet, but Baboon King comes to their rescue with his washers to get rid of the sheep's oils, making them shrink.

A bad day gives First Squad a hard time when dealing with the Penguins. When First Squad fails the Ice Bowling challenge, they end up going up against their Mirror Clones summoned by Penguin King from a piece of the Northern Lights. However, they find that their mirror clones do exactly what they do so Penguin King creates an army of mirror Penguin clones which can be juggled to make them dizzy.

Rattle Diva's latest concert ends up disrupted when news of the Frogs tormenting humans reaches Big Green. When the Frogs' music is too much for First Squad, Rattle Diva is called in to help fight the Frogs.

After hearing of a group of Cocky Aliens attacking Cheetah Castle and trapping its inhabitants in a crystal barrier, HighRoller plans to trick them to his side in a plot to defeat Big Green. This backfires, though, as the Cocky Aliens take control of his body, as well as the Zebra Brothers and Bearstomp.

Among the ruins of Big Green, we find First Squad with a handful of animal Kings left at their sides. TwinMasters' power is quickly depleting the life energy from Hidden Kingdom. Lin Chung finds a design he had made of a Bronze Giant - the power points of which include all 107 heroes of Big Green. It is Hero: 108, and if Lin Chung can bring the heroes together, Big Green just may have a chance.

With new orders from TwinMasters, HighRoller attacks First Squad. But, as the battle ensues, First Squad finds two formidable new enemies in their midst - a half-human, half-snake bounty huntress and another who appears to be half-lion, half-man. The two manage to capture First Squad and put them on a snake train headed for TwinMasters' lair.