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.

Catboy attempts to save summer from Luna Girl.

Romeo erases all the stories from books.

Romeo uses boxing gloves to break into a museum and steal a jet pack.

Night Ninja steals sports equipment.

Romeo takes a pterodactyl model from a dinosaur exhibit and turns it into a flying robot.

Romeo and Night Ninja try to shrink PJ Masks.

Luna Girl's Moon-Ball sucked up all the toys so she can keep them to herself.

Zoo visitors are leaving the butterfly gardens because the butterflies are gone. The PJ Masks try to get the butterflies back home.

Luna Girl took the whistle for her two moth teams to get every toy in the toy shop.

Romeo plans to steal all of the PJ Masks' voices so he can blame them for his crimes.

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.

By day, Greg and Amaya get ready to show their volcano project, but they notice that Connor was very clumsy and almost wreck their project. They notice that Connor wasn't that only one that's clumsy. By night, it was Romeo that was making everyone in the city clumsy. Gekko and Owlette tried to get Catboy to admit that he's clumsy but he won't. Gekko and Owlette got surprised that Romeo said Catboy was the first one to be zapped on the night before. Now, Gekko and Owlette got zapped with Romeo's machine, and both are very clumsy. The PJ Masks think of a plan to stop Romeo by using their clumsiness.

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.

By day, Connor and Amaya were at the Cafe, then Greg showed up, telling Connor and Amaya about the car Cameron let him borrow for the day.

By day, the trio are working on sunflowers for the sunflower competition. Connor and Greg notice that Amaya's flower isn't so healthy, and they give her advice.

In the day, the trio discovers slow moving people and animals. As the PJ Masks, they discover that Romeo invented a slow motion ray so everyone will be too slow to stop him from conquering the world. But Gekko keeps getting distracted, causing him to be hit by the slow motion ray. He comes up with a plan for Catboy and Owlette to distract Romeo, while he slowly makes his way to destroy the slow motion machine.

Greg wondered if he could win at least one medal to declare him being strong. By the time they went out of the library, they saw lamposts being bent. By night, they saw Night Ninja chasing a rock called the Rock of All Power. Amaya heard about the rock in her Kung Fu book that whoever breaks the rock will be awarded with a medal. Gekko was so tempted to break the rock to get the medal since he has the power of strength instead of protecting his friends and their HQ. But while he tries to stop the rock, he breaks it, not meaning to. He says that he felt stronger than ever, and that true strength comes from caring for your friends. That is the best strength.

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.

Connor, Greg, and Amaya are preparing for a school race, but the trophy was stolen. In the night, they find out Night Ninja took the trophy. He proposes a race between himself and Catboy, with Luna Girl as the referee. What she really wants is the trophy for herself. Catboy keeps messing up because he kept going to fast in each competition. Owlette and Gekko try to convince him to take his time, as slow and steady wins the race. Finally, he comes up with a plan and offers one last race with the two villains. This time he slows down and wins the race, with the other two competetants losing. The PJ Masks return the trophy to where it belonged.

Greg accidentally leaves his rock at the museum. He and his friends go back to get it, only to discover all the magnetic rocks are gone. By night, they find that Luna Girl stole the rocks for her Luna magnet to pick up bigger things, like vehicles. She uses them to try and destroy things, including the PJ Masks. But instead of trying to get the mission done, Gekko tries to go after his rock, and that causes the heroes to struggle to get the mission to a success. His friends tell him that's it's not important like the mission is, and he sacrifices his rock to stop Luna Girl.