ApeTrully and First Squad are paying a visit to Koala Castle in hopes that the peaceful King and his tribe will join Big Green and its fight for peace. Unexpectedly, they are met with an extremely aggressive response. Little do they know that the Commander of Darkness has made a “transformative” potion from the ear wax of a Giant Centipede and disguised himself as Koala King. At last! He will have his revenge on First Squad!

Mr. No Hands is fed up with Mighty Ray and Mystique Sonia’s inability to work together and decides it’s time they learned a real lesson about teamwork. He sends them off together to a far away canyon to retrieve the juice of the Grakka plant. However, unbeknownst to Mr. No Hands, TwinMasters has turned the ants of the canyon into monster beings and the two heroes fall into their trap. To survive, Ray and Sonia have to learn to really work together...

Evidenced by a terrible disturbance brewing over its tomb, the ancient Sword of Dark Fire has been unearthed. With the power to destroy entire animal castles or even Big Green, First Squad must destroy the sword before it falls into the wrong hands. In a race to beat HighRoller to the magical weapon, Lin Chung and team must fight the Beetle Army, Cave Eels and the undead Guardians of the Sword itself.

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. Together, First Squad helps BearStomp and the other animal prisoners escape.

The Rabbit King, a.k.a. Jumpy GhostFace, has always had a way with insects. He’s now even managed to befriend Big Green’s testy Beetle King. It’s a good thing too, as a bunny sentry arrives to explain that Rabbit Castle is under attack by an army of Mantis - as well as Jumpy’s old rival for the crown, Spotter. Against Jumpy’s wishes, First Squad attempts to help in this personal fight, but Jumpy, protected in Beetle armor - ultimately fights...

In a bit of a freak occurrence, Lin Chung’s harmonic energy crosses paths with the arrival of Sohoyot’s Comet, sending Lin Chung back in time. There he meets a young Prince named Yang Tu with a heart that’s growing evil. Lin Chung tries to show the boy the error of his ways - that peace is better than chaos - but Yang Tu is too far gone. A classic battle ensues, the force of which pulls Lin Chung back to present time in Hidden Kingdom.

The Commander of Darkness is at it again! He’s brewed a new potion and now can control dragons! During an airborne assault on Big Green, he kidnaps Mystique Sonia and takes her to his lair in the strange rock formations known as the Caves of Teipeto. First Squad and the Air Force deploy, and a hair-raising aerial battle ensues. Meanwhile, Mystique Sonia works some magic of her own - taming the dragons with her flute, and ultimately coming to her...

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. Too bad the Zebra Brothers turn all the goo into a giant...

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.

HighRoller’s plot to overthrow TwinMasters is truly maniacal. Using the Zebra Bros. magic, he’s summons a Shadow Monster and lures First Squad to its home in the forest. During combat, the Monster steals each of the Squad members’ powers and brings them back to the East Citadel for HighRoller’s evil use. Now First Squad has to fight for their lives by using their wits alone, grappling the Zebras’ magic lanterns and casting a spell of reversal....