Milo decides to reinvent himself as the cool new 'cat' in town at an annual 'Cats Only' festival. Unfortunately, attempting to be the 'coolest cat at the carnival' brings unexpected trouble.
Milo's urge to act more instinctively whilst trying to stop a heist at the museum, leads to the Guardians being identified as criminals. Jack unknowingly joins the minions and the whole city faces a super-charged threat.
Izzy tries to update the ancient 'Sagas of the Guardians' with Shasha and Milo's heroic origin story and does a deep dive into how they met, but they have very different memories of that day and their first tenuous steps as Guardians.
Cat Shasha needs her own space and finds it in the unexpected lap of Heather. Her new luxury lifestyle comes unstuck when she's targeted by Luca's minions, armed with Krystal Warriors powered by the 'feralness' of domestic cats.
The Guardians get heroic help from Romeo when he is chosen as the 'owner' of an ancient talking suit of armour. Unfortunately, the armour takes control and threatens to bring down the Guardians. Only Romeo's big mouth can save the day.
Milo's attempts to find a new friend for Leo, in the form of Principal Lee, leads to farcical chaos at the bowling alley and Heather being kidnapped by Symon and a suspicious Vera who is convinced Heather is one of the Guardians.
Heroes and villains are forced to work together when Beta, Luca's artificially intelligent Krystal Warrior, concludes the best way to make the Island 'perfect' is to freeze everyone and everything on it in Krystal - forever.
Shasha takes a break from the human world and returns 'home' to find a new mysterious kitten has taken her place in Yuna's heart. But is this kitten all it seems? Meanwhile Luca leaves Kat in charge for a day leading to a minion uprising.
A Guardian themed convention goes awry when Sundae unleashes her newest invention, the fear glove. Only our heroes literally facing their fears will help them win the day, and stop an outbreak of scary cucumbers and giant fleas.
Spotting an opportunity during a rare power sapping eclipse of the moon, the Guardians decide to raid Luca's lair. Unfortunately, Luca isn't the only one whose powers are offline as the Guardians find themselves stuck in their human form.
Milo's undiscovered singing talent threatens to enrapture the whole island when Luca uses it to turn all humans into cat obsessed drones. Can Shasha save Milo from evil pop stardom, and win the ultimate musical showdown?
Frankencat is back, as put-upon sidekick to a manipulative hero, Clint Stallion. Shasha and Milo join forces with shifty Clint to 'protect' Frankencat, but end up in the gladiator ring against their enraged old 'Franken-friend'.