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.
At day time, the kids were playing until they notice some new purple balls, however when Cameron and the other kids touched them, they act strange and kept on saying "Moon". At night, Luna Girl was the one who created the Moonfizzle Balls and plans to take over the world together with the Moon-fizzled people. However, when Catboy fools around too fast with the Moonfizzle balls with the tennis rackets instead of collecting them, the balls hit Owlette and Gekko who also become moon-fizzled and Catboy must fix this himself.
At day time, the kids are practicing their soccer skills until they noticed a toy store nearby has sticky splats all over it. At night, Night Ninja and his Ninjalinos are playing their own style of soccer and plan to splat the entire city. When Owlette's feet are stuck in a splat ball, she still wants to play despite her disabled feet but that only makes the mission harder.
The kids are having a picnic in the park while Greg is playing with his pet Lionel until they noticed that Lionel has mysteriously disappeared. At night, it turns out Romeo was feeding Lionel some green pet treats that makes him big and calls him Lionel-Saurus though he also has some red treats that makes him shrink. Unfortunately, Gekko keeps on being defensive on his favorite pet despite Lionel's big size which not only makes the mission harder, but nearly endangered both the PJ masks and the city.
At day time, the kids are going to school with their cuddly pets though Connor knows they're too old already to have those until they noticed that Cameron's sister is upset that she has a talking Romeo doll instead of her own cuddly which makes the kids suspicious. At night, Romeo and Robot were stealing all the cuddly dolls and plan to transform them into cuddly Romeo dolls. But Catboy wasn't the only who feels ashamed for hiding his cuddly from his teammates, even Owlette and Gekko are also ashamed because their cuddly dolls are stolen so they must stop Romeo at all costs despite being kids.
The kids are in the museum looking at all the cat displays and the teacher explains the story about the Night of the Cat which inspires the kids(mostly Connor). At night, the PJ masks become curious about the cat-ability until Luna Girl shows up with her moon energy ball. While they're distracting Luna Girl by pretending to have fun, Catboy tries to unlock the cat-ability but his curiosity makes him forget about his teammates. It turns out to be a trick by Luna Girl because the book was hers, the cat-ability is fake and the 3 cat statues are actually moon statues who traps Catboy in a moon wheel until Catboy creates a plan to use the moon wheel against Luna Girl.
The kids noticed that everything was turning the opposite direction (excluding the PJ Masks). At night, Romeo was the one who was rewinding the world after a glitch on his machine. But before they could fight Romeo, they didn't think of a plan on how to stop him, which causes them to mess up.
At day time, the kids were practicing their scooter moves until they noticed everyone even the teacher acting like babies. At night, Romeo created a baby beam and plans to take over the world with the baby people. When Catboy and Owlette get zapped, they act like babies and Gekko is having a hard time with the little two-some.
The first night after Night Ninja defeats, Owlette says there's gonna be an eclipse tomorrow which worries Luna Girl because she believes the moon will disappear. The next day, Amaya shows Connor and Greg the telescope and talking about plants in the book, but the moths says to her friends about the moon was eclipse by nighttime which luna powers was off by the moon will disappear. The second night, Luna Girl is losing her lunar power due to the eclipse and Romeo plans to steal Luna Girl's board and lunar magnet for his evil plan. Unfortunately, Owlette and Luna Girl's argument makes the mission harder.
At day time, the kids were talking about their hero stuff until they noticed the crane's wrecking ball mysteriously disappeared. At night, Romeo was the one who took the wrecking ball and plans to turn the whole city into a giant pinball machine. Unfortunately, The PJ masks are having a hard time trying to stop all 3 wrecking balls and underestimated Romeo, until they created a plan on beating him at his own game.
At day time, the kids were walking around until Connor stepped on a bouncing splat which sends him flying into a bush and laughed by Cameron much to his dismay. At night, The PJ masks were following a trail of splats and they spotted Romeo and Robot, who are unhappy because they lost their bounce-a-lot machine. It turns out Night Ninja was the one who took Romeo's machine and uses it to convert their sticky splat into bouncy splat. The PJ masks tries to stop the villains but Catboy keeps on showing off which makes the mission harder.
At day time, everyone is preparing for the carnival parade until they're shocked that the Candy Train has disappeared. At night, Night Ninja and his Ninjalinos were the ones who took the Candy Train and plans to take all the floats. But Night Ninja isn't the only villain they have to deal with, Romeo was the one who instructed Night Ninja to steal the floats and plans to convert them into evil floats. The PJ masks tries to stop them but they're having a hard time because Gekko keeps on being dependent on his favorite float, The Laughing Lizard.
Romeo steals PJ Robot and colors on him. While Gekko and Catboy are cleaning PJ Robot in HQ, Owlette gets lured outside by a Flossy Flash comic, only to be captured by Romeo. Romeo uses a machine to disguise himself as Owlette and shamelessly tries to fool the rest of the heroes with his disguise, angering the other villains along the way.
Romeo creates a little robot that he controls with a remote control.
PJ Robot has been hard at work, trying his best to be helpful from creating a means of communication to cleaning up the Cat-Car to trying to make a few modifications to the PJ Picture Player. But none of them are needed by The PJ Masks.
During the day The PJ masks and their class go to the museum and learn about the harvest moon and figure that since Luna girl likes the moon she is going to plan something bad.
Luna Girl captured Catboy and Owlette while they were talking to Gekko who stayed behind in the HQ rocket with PJ robot.
While trying to stop Romeo from turning people into pets, Catboy gets turned into a cat.
Gekko is afraid to ask for help when he must fight Romeo's Roboctopus underwater.
Romeo creates an all-in-one belt to combat the PJ Masks' new powers.
When Romeo starts digging on the moon, the PJ Masks enlist Luna Girl's help.
The PJ Masks have to stop Night Ninja from stealing a magical ring hidden at the top of Mystery Mountain.
The PJ Masks have to stop Night Ninja from stealing a magical ring hidden at the top of Mystery Mountain.
The PJ Masks face the newest villains in town: the Wolfies.
Gekko's knowledge of dinosaurs helps the team get back prehistoric bones from the Wolfy Kids.
After Romeo steals Catboy's powers, Catboy must learn to be a superhero without any super powers.
Night Ninja transforms the Mystery Mountain into a Splatcano.
When the PJ Masks meet Armadylan, they think he is a superhero like them.
Owlette is accidentally turned invisible.
The Wolfy Kids take Mystery Mountain from Night Ninja.
Romeo steals the Moon Crystal, but the PJ Masks are convinced Luna Girl is the culprit.
Romeo tricks Armadylan into thinking he's turned into a good guy.
Night Ninja convinces Armadylan that the PJ Masks stole all the new Flossy Flash comics.
Gekko's powers increase during an underwater mission.
While trying to stop Luna Girl, Owlette breaks an observatory's telescope lens and blames her nemesis.
The PJ Masks must protect children from Luna Girl, Night Ninja and the Wolfy Kids who have teamed up to steal Halloween goody bags.
The Wolfies get into HQ and transform it into their den.
While the Wolfies run amok, Gekko doubts he has what it takes to be good, and Kevin isn't sure he wants to be mean.
Rip tries to gather feathers from Owlette's wings to let the Wolfies fly.
After skeletons are stolen from the museum, the PJ Masks think the Wolfies are the culprits.
After stopping an asteroid from crashing into the city, Armadylan thinks he's one of the PJ Masks.
Romeo tries to use Armadylan's powers to improve his lab.
Romeo turns Owlette's Flossy Flash figure into a device that transforms the other PJ Masks into action figures.
Night Ninja steals an ancient gong to awaken a real Dragon.
After getting separated, Gekko must face his mistakes alone to defeat Night Ninja.
Romeo creates a live video game and the PJ Masks must work with the other villains to stop him.
Romeo's newest device turns Owlette and Catboy into villains.
All the villains join forces to finally defeat the PJ Masks once and for all.
The PJ Masks need to protect the chocolate eggs for an Easter hunt from the Wolfies.
Luna Girl works with the Wolfies to distract the PJ Masks while she steals the museum.
Luna Girl steals the moon crystal to power up her Luna Fortress' Mega-Magnet, which creates a portal that pulls stuff up from the city.
Night Ninja heads to Mystery Mountain to unleash the mountain's magic, and the heroes team up with Dragon Girl to stop him.
Gekko is forced to confiscate Luna Girl and Motsuki's powers.
Motsuki decides to become Owlette's sidekick after a quarrel with Luna Girl.
Motsuki traps Luna Girl and the PJ Masks on the moon.
Armadylan steals the PJ Masks' vehicles.
Kevin turns full wolfy on a trip to the moon.
Night Ninja tricks Armadylan into stealing An Yu's bo staff and takes control of the Mountain again.
An Yu tries to train Teeny Weeny to be the Mystery Mountain Guardian assistant.
When the PJ Masks get locked in the lab, it's up to PJ Robot to rescue them.
Gekko is on the case when animals keep disappearing from the city.
After their powers are stolen and given to the Woflies, the PJ Masks team up with them to vanquish Romeo.
Night Ninja hypnotizes all of the school kids with his special ninja dance.
Night Ninja uses Armadylan's dream of becoming a kung fu movie star to break into a museum.
While Gekko and Armadylan guard the city, their watch turns into a contest of strength.
The Wolfies turn their Wolf Wheelz into Prank Wheelz.
Luna Girl and Motsuki use the Wolf Wheelz to wreak havoc, causing the Wolfies and the PJ Masks to work together.
When Night Ninja steals equipment from Pirate Day at school, Catboy jeopardizes the PJ Masks rescue mission.
PJ Masks investigate Night Ninja when the ninjalinos keep disappearing.
Gekko finds a crystal that gives him powers, but it turns out the powers are too strong.
While Gekko tries to stop the Ninjalinos on his own, Night Ninja tries to take over HQ.
Motsuki steals Romeo's Baby Beam and turns the PJ Masks into bad-behaved babies.
Luna Girl takes her girl friends to the moon when she's not invited to a Pyjama Party.
Romeo captures a special crystal and becomes Master of the Sky.
PJ Robot and Romeo must work together when the Flying Factory is damaged.
The moths infiltrate HQ, and Gekko won't admit that he let them in until it is too late.
Catboy realizes that a true Cat Explorer puts his team before the discovery.
The PJs offer to help Motsuki find Luna, but miss Night Ninja in the process.
When the Ninjalinos lose their ninja powers, the PJ Masks teach them alternative skills.
The PJ Masks are enticed by a fake An Yu to break all the rules and have a party on Mystery Mountain.
An Yu tries to domesticate the wild Wolfies.
Armadylan and Catboy compete over an exclusive Master Fang comic, thinking it contains a hero secret.
Armadylan loses the PJs' special jet to Night Ninja.
Owlette causes an asteroid accident. While trying to make it right, the PJ Masks meet another night-time hero, Newton!
Newton likes the PJ Masks... but also likes his solitude.
Newton learns that he's not just brains.
Newton swears off fighting villains.
Newton thinks Owlette stole a precious asteroid - but she's been framed by Romeo.
Romeo needs the PJs' help bringing his Flying Factory under control, but they don't trust him.
Gekko tries to train a naughty monkey.
Munki-gu sabotages the PJ Masks' mission with pranks.
Catboy enlists Munki-gu to go aboard the Flying Factory to distract Romeo.
Kevin doesn't think he'll ever be top dog; he's not wolfy enough to find the legendary bone.
Gekko recruits Armadylan for extra training.
Catboy wants to increase his speed.
Munki-gu enchants a dragon float, turning it into a menace.
Lionel wants to play with Munki-gu instead of Gekko.
There’s a new octopus-girl in the city, who wants to be friends with the PJ Masks, but her actions tell a different story.
Octobella shape-shifts into Gekko, ruining Gekko's hero reputation.
PJR wants to be Newton's Space Buddy. But first he needs to power up!
Cat Boy wants to be able to teleport to the moon like Motsuki.
Luna and Motsuki drop Luna's magnet in the moat and are silly enough to accept Octobella's help getting it.
Motsuki gets angry at being told she's too "buggy" to be in charge.
Armadylan jumps at the chance to help Octobella, unaware that she's just using him.
Owlette learns it's better to rely on your instincts after she's lured into an evil trap.
Feeling bad about his ninja past, Teeny Weeny tries to help defeat the ninjas using his monster powers.
The Wolfies want their own robo-servant, but get more than they wish for!
Armadylan tries to fix a museum artifact
Romeo wants to create the ultimate trap for the PJ Masks
The PJs need to meditate with great seriousness, but they can't when Munki-gu gets involved.
The PJs try to stop Munki-gu's shenanigans, but get played by Night Ninja instead.
PJ Robot is scared of the mystical villain, Pharaoh Boy, but when the PJ Masks need him, he faces his fear.
Owlette takes offense when Romeo scoffs at the power of her feathers.
Catboy wants to help solve a mystery, but Owlette and Gekko are only interested in his Super Speed.
Romeo takes over PJ Robot so he can use him against the PJs.
Romeo plans to use everyone's obsession with the new Jaden Concert to take over the world!
When the Wolfies start their own band their sonic howls create new levels of destruction!
Catboy is taken by the idea of having a cat sidekick.
The PJ Masks think Luna and Motsuki are causing moon trouble, but it's Pharaoh.
Night Ninja needs the PJs' help, and the heroes can't help taking advantage of it.
Pharaoh Boy absorbs the PJs' powers into his boomerangs.
Octobella's vendetta against Gekko builds to unseen heights
Octobella's vendetta against Gekko builds to unseen heights, Conclusion.
The PJ Masks easily defeat the Ninjas and become over-confident in their powers; Night Ninja secretly plots to acquire PJ powers for himself.
Luna deviously persuades the PJ Masks into helping her with her plan to disempower Motsuki.
Romeo makes a hologram copy of Owly and sends the PJ Masks on a wild chase.
Newton turns bad due to a psychoactive asteroid.
Newton Star quits space after an incident.
Romeo invents robotic animal powers.
Newton leads the PJ Pets on a mission to rescue the PJ Masks.
Gekko is so anxious about facing a bully, that he stays home one night to avoid her.
Octobella creates a powerful octopus crystal that makes her a bigger threat than ever.
Night Ninja kidnaps An Yu.
Someone's causing mischief. The PJ Masks blame the villains; the villains blame each other - but it's actually Munki-Gu, who's stolen an invisibility ring.
When an experiment goes wrong, Romeo tries to turn it to his advantage.
When Orticia sends Gekko's Pumpkins bad, Gekko is desperate to stop them.
Gekko wants to play a pirate but is overshadowed by a pirate villain.
GK tries to catch the villain; Owlette accidentally helps Pirate Robot.
Determined to perform a magic trick, Connor finds a teleporting sarcophagus.
Gekko is forced to be a sneaky crocodile when Pharaoh Boy has taken his friends prisoner.
Greg is scared on a camping trip and thinks his nighttime powers will help him, but Orticia has something else in store.
Orticia is invited to Octobella's cave.
Gekko won't help Octobella when her shrimp rebels.
Amaya's friends Marie and Jennie get entranced and imperiled by LunaGirl.
An Yu won't show Munki-gu how to do the Dragon Dance, but Night Ninja will.
An Yu needs to find a magic stone in the city.
Gekko tries to get Pirate Robot to be a chief instead of a pirate.
Newton is desperate to study a rare asteroid, but Pirate Robot has seen it too and plans a hijack.
Catboy wants to outspeed new villains Carly and Cartoka.
The PJs are desperate to get their vehicles back but are having trouble taming their Spirit Animals - and to make matters worse, PJ Robot is kidnapped as the battery for the Flashcar.
The PJs get caught up in a battle between Romeo and the Twins.
Luna Girl wants to get back at Motsuki and get to the moon by badness and deviousness.
To get his ship back from Octobella, Pirate Robot becomes the captain of the PJMs.
Catboy wants to try out his Wildstripes' incredible speed.
Gekko wants to stop a speedy Night Ninja, but his lumbering lizard's just too slow.
Night Ninja sets up a school for villains.
Pirate Robot seeks help when Night Ninja steals his hat.
Mystery Mountain breaks out of its dimension and floats over the city
Romeo challenges Carly and Cartoka to a race, but it's all part of a sneaky plan to steal speed crystals
The PJ Riders get jealous when the PJs plan to restore their vehicles.
After not listening to the warnings, Pirate Robot gets himself and Newton captured.
Newton creates a powerful Star Splat.
Orticia gets carried away by tricking, not treating - resulting in mild Halloween horror.
The PJ Masks can't wait to use their PJ Vehicles against Carly and Cartoka. But as a result, they don't work well with Newton or their PJ Animals.
Newton's powers have been neutralized because of Romeo's blockade of the asteroids.
Pirate Robot wants to upgrade his ship.
Luna secretly steals Motsuki's teleport power. Gekko and Catboy investigate the theft, but mess up! Can they find it in themselves to make it right?
Owlette needs to improvise a new plan to escape from Night Ninja and his Ninjalinos.