Di giorno, Amaya è un po' troppo eccitata di salire su un nuovo treno ed ha qualche problema a ricordare di essere paziente. Di notte, si scopre che Romeo, lo scienziato malvagio, ha rubato e modificato il treno per riacciuffare il suo laboratorio mobile scomparso. Gufetta continua a precipitarsi nelle situazioni per permettere alla squadra di di concludere la sua missione in fretta. Ma questo le fa combinare continuamente guai. Di giorno, Connor e i suoi amici stanno giocando ad acchiapparello finché non decidono di andare in mezzo agli annaffiatori. A causa della paura dell'acqua di Connor, questi non li raggiunge. All'improvviso, l'acqua smette di spruzzare e iniziano a venire fuori delle nuvole dai tubi, oscurando il sole e portando freddo. Di notte, Luna girl sta utilizzando un adattatore per il suo magnete lunare per far si che tutte le nuvole pongano fine all'estate. Ella costringe Gattoboy a scegliere tra bagnarsi o risolvere la situazione.

If Catboy wants to save the summer, he'll have to get over his fear of water to stop Luna Girl and her rain clouds.

When Romeo erases all the stories from books, Owlette needs to rely on her own skills to save the day.

Romeo uses a giant pair of boxing gloves to break into the museum and steal a jetpack. But can Catboy pull through and defeat the flying villain?

If Gekko wants to stop Night Ninja stealing all the sports equipment, he needs to remember that teamwork can make you even stronger.

When Romeo steals a pterodactyl model from the museum, Owlette is the perfect choice to stop the villain - but first she has to learn the power of forgiveness.

When Catboy gets shrunk by Romeo and Night Ninja, can he use his small size to his advantage to stop Romeo's shrinker invention?

When Luna Girl creates a giant moonball and hides all the toys she's stolen inside, it's up to Owlette to learn to not hog the ball and save the toys.

Luna Girl intends on stealing some butterflies since she thinks that moths have caused her past defeats.

Owlette tries almost anything to prevent Luna Girl from winning a competition.

Before an upcoming poetry presentation that Gekko is not looking forward to, Romeo steals his voice. Gekko, glad that it is gone, does not want it back.

Night Ninja steals Master Fang's sword.

Romeo controls robot duplicates of Owlette and Gekko that he calls "Robo-Owl" and "Robo-Gekko" while the real Gregg and Amaya are locked in hanging cages.

Owlette's prized 'Giving Owl' statue is stolen by Luna Girl! Can Owlette learn the gift of giving to save Catboy and Gekko?

Gekko's birthday party is ruined when Night Ninja steals everything.

Luna Girl turns a sleepwalking Cameron into her own private puppet.

Night Ninja steals the school bus and converts it into his very own super vehicle.

A super small Ninjalino is discovered at headquarters.

Catboy must decide which of his two best friends to take to a concert.

Gekko loses the Gekko-Mobile just when it's needed most.

Catboy gets a scooter from an unknown aunt.

Gekko gets the sneezes and his friends want him to rest inside HQ.

The Christmas lights and decorations were stolen from the tree on Christmas Eve. Gekko must learn to ride Luna Girl's Luna Board to save Christmas.

Romeo freezes the whole city with his La-Boggan. Gekko has a plan to save the day.

Romeo stole the observatory's telescope for use with his space laser. He wants to carve a picture of himself on the moon.

When agile Catboy is the first to be clumsified by Romeo's newest invention, he can't admit it and tries to save the day without any help.

The playground equipment was stolen by Robot because Romeo made a new robot called Robette. Robot was jealous.

A bird invades the HQ. Luna Girl reveals she is going to turn HQ into a giant Luna Magnet.

PJ Masks see Ninjalinos stealing school buses. Night Ninja makes his HQ out of the stolen school buses.

Romeo wants to take over the town with his latest invention - the 'Big Box of Bad'.

Romeo steals the inside of the PJ Masks remote control helicopter for his new remote to control people.

The PJ Masks work to stop Nigh Ninja from destroying the museum.

Romeo uses his Anti-Gravity Maching to try to send the HQ to the moon.

Romeo steals cars and the PJ Masks Super-Vehicles.

Night Ninja steals the school's instruments. He wants to use them for his own concert.

Romeo wants to take over the world by using his three machines: his Robot, his La-Boggan and his Track-A-Whacker.

Romeo broke into HQ. He says he needs to know how to bring up the PJ Picture Player "in peace", so he teleported the PJ Masks outside of HQ.

The PJ Masks find out that Night Ninja is doing his biggest, baddest night-time villain move ever: the Sticky Splat Slingshot. Catboy, however, wants the mission to be his biggest save yet.

Romeo steals Owlette's powers and turns himself, Catboy and Gekko into fliers.

Night Ninja plans to turn Catboy's daytime parade into the Night Ninja Parade Spectacular.

When Greg doesn't take care of Cameron's mini-car, it goes missing!

Night Ninja challenges the PJ Masks to a game of Capture the Flag with the PJ Mask headquarters as the prize.

Romeo's multiplying machine accidentally makes Catboy copies.

Cameron's mini-car turns up powered up by Luna Girl.

Luna Girl creates a giant evil moonflower to turn the city into a giant weed garden.

Gekko has to learn to not get distracted if he wants to stop Romeo from using his super slow ray to take over the world.

If Catboy can't get over his fear of dance embarrassment, Luna Girl will be able to steal everything from the school dance.

Night Ninja plans to destroy the city with the Rock of All Power, proving he's the strongest hero ever.

Luna Girl steals parade floats!

The three friends are excited for the loop-the-loop airplane show, but two adults tell them it's been cancelled because the planes were stolen.