Luna Girl uses her latest invention, Moonfizzle Balls, to turn everyone in the city into her loyal subjects. Owlette learns that being part of the team means coaching Catboy and Gekko to defeat Night Ninja.
Romeo feeds Greg's pet lizard treats of his own invention, turning him into a giant that he can control. The PJ Masks try to stop Romeo from replacing all of the town's cuddlies with ones modeled after himself.
When Catboy learns of 3 magical cat statues at the museum that can be used for a ritual, he tries to complete it to get more powers. Romeo reveals his latest invention, the Rewind-O-Ray, which can reverse everyone and everything.
The PJ Masks have to save the day when the townspeople get turned into 2 year olds but when Catboy and Owlette become 2 years it's up to Gecko to save the day. The PJ Maske help Luna Girl as a lunar eclipse affects Luna Girl's powers.
The villain side-kicks of Moths and Ninjalinos team up to form one evil villain. Gekko learns to let go of his pride to work with Owlette & Catboy (and a tiny bit with Luna Girl and Night Ninja) to stop this new villainous team! / During a scavenger hunt, Owlette is tricked by Night Ninja to find ingredients for his new dastardly invention, "Heavy Splat", which he plans to use on HQ.
Romeo steals some wrecking balls, and rolls them across the city. Night Ninja uses a ray gun to turn sticky balls into bouncy balls which he and his little comrades use to bounce in the streets.
Romeo and Night Ninja steal the school floats and turn them into troublesome vehicles. Romeo morphs into Owlette, and tricks Catboy and Gekko into doing his villainous deeds.
Romeo has created his best invention yet. But what is it? The PJ Masks have a new teammate who tries to find his place in the team as they battle Night Ninja.
During the Harvest Moon, the PJ Masks have to stop Luna Gurl from finding a crystal and taking control of the moon. In order to do this the PJ Masks must travel to the moon.
Robot finds a rare talking blue tabby, and wants to keep it as a pet, but Romeo is unsure about this. While his comrades are busy, Gekko decides to explore the HQ's moat which is actually a vast sea.
The PJ Masks teach a powerful but raw aspiring superhero what it really means to be heroic. Owlette gets zapped by one of Romeo's devices, causing her to be unseen.
When the playground and it's equipment disappear, the PJ Masks are on the case. The comic book store is robbed and the PJ Masks must find out who did it, as they are framed for the crime.
Gekko's powers are increased by the Power Pondweed Romeo was after in an underwater mission. / While trying to stop Luna Girl from using the new telescope of the Observatory to reach out the Moon and improve her Luna Palace, Owlette breaks the lens of the telescope and puts the blame on Luna Girl.
After he stopped an asteroid from crashing down on the city, Armadylan thinks he is now one of the PJ Masks but when Gekko tells him he is not, his feelings are hurt and he starts destroying the city. / Romeo has a secret plan to use Armadylan's powers to improve his giant remote-controlled vehicles. In order to stop Romeo, the PJ Masks and especially Catboy will have to make up with Armadylan.
When Owlette's Flossy Flash goes missing and the boys get turned into action figures, it's up to Owlette to save the day. Night Ninja is after the mallet to strike The Dragon Gong to release a dragon.
All the technology has disappeared, which also means the PJ Masks power is disappearing too. Night Ninja Is up to something. Will the PJ Masks figure it out in time?
A lad going gray, and a large armored knight come up with a laser gun that could turn good guys into bad guys or bad guys into good guys. Night Ninja and Luna Girl team up to take on the PJ Masks.
The PJ Masks need to protect the chocolate eggs for an Easter hunt from the Wolfies. Meanwhile, Gekko really wants to eat his chocolate egg early, but can he resist the temptation? Luna Girl works with the Wolfy Kids to distract the PJ Masks while she steals the museum.
