An asteroid heads for Earth, with the power to turn our heroes into villains. But help arrives from an unexpected source.

Ice Cub wants to prove how amazing his polar sniffing power is.

By playing a mean birthday trick, Night Ninja tries to get An Yu to destroy the museum.

Newton wants to check out an asteroid, but it's a trap

Luna takes Owlette's voice, imperiling the school music concert.

Catboy encourages Ice Cub to mess around with his snowballs but the Wolfies take advantage

An Yu finds it difficult to be a hero when things aren't the way she is used to.

Pirate Robot evades Ice Cub.

Fairy Lilyfay is rescued.

Ice Cub faces incredible dangers in the icy world to discover the source of new cool powers.

Ice Cub faces incredible dangers in the icy world to discover the source of new cool powers.

Pharaoh Boy unleashes a terrible cat villain in the city. But this cat is more than meets the eye in a different perspective for our heroes.

Catboy and Bastet's rivalry and egos and failure to work together cause them to fall for Pharaoh Boy's plan to take them over with a special dance

When Night Ninja captures Ice Cub, it falls to Lilyfay to realize she can be a hero and save him.

Lilyfay wants a beautiful vehicle to look the part and be a PJ

Bastet's inexperience leads to Luna becoming more powerful

Romeo steals ultimate ice power from Iceworld which he uses to freeze the new HQ and send it drifting into somewhere even colder: deep space!

Newton wants to be a space expert; when the team gets glooped by Gloop the Third, only Newton can stop him, but to do so, he has to take himself less seriously.

The trapped heroes watch as the spaceship lands, and another alien bigger than the first three comes out of it.

It is night, and the Wolfy Kids are racing through The Park with their Wolf Wheelz until the PJ Masks show up with their PJ Riders to stop them.

Greg, Connor and Amaya are in The Park, where Greg shows his friends a scrapbook he made about their first adventures, when the team consisted of just the three of them.

It's Christmas season, and Night Ninja has a plan to make the holiday special for him and his Ninjalinos. They steal the book about Ice World from the Museum.

It's the day before Christmas eve, and the heroes are still no closer to stopping Night Ninja. Gekko is sure they can get the other Ninjalinos into the Christmas spirit, just like the two he already saw last night, and perhaps even Night Ninja himself.

Owlette is being pursued by Gloop and the Gloopets in their Gloopster.

Gloop is on Earth again fighting Gekko. Octobella emerges from the Moat to see what is causing all the noise.

An Yu opens the portal to Mystery Mountain and enters it. Unbeknownst to her, Pharaoh Boy is watching everything.

When Robot malfunctions and thinks that he wants to become a hero, Gekko decides to help Robot by training him.

Newton feels unappreciated by his friends and decides to head off and explore solo but falls into the clutches of Gloop the Third.

The Wolfy Kids exploit Ice Cub's desire to share his knowledge of Iceworld.

Rip and Howler are taking people's things as part of a silly treasure hunt.

Romeo creates a new television with a remote that he uses to trap Night Ninja, Catboy, Owlette, Gekko, and An Yu inside of.

Romeo creates a new television with a remote that he uses to trap Night Ninja, Catboy, Owlette, Gekko, and An Yu inside of.

Armadylan believes he can't be a hero as his normal clumsy self, so he tries to reinvent himself as something different.

A case of mistaken identity causes Bastet to confuse Armadylan for an identical ancient villain.

The Speedy Twins steal one of Luna Girl's moon crystals to power their Flashcar. Meanwhile, Newton offers to be a mechanic for Catboy's Cat Racer, but the latter only wants more speed.

When Connor is unable to do night hero work due to being saddled with babysitting duty, Romeo uses this to his advantage.

Bastet and Pharaoh Boy must form a temporary truce after Romeo steals the Sun Disc and Staff of Ra to power his factory.

After a botched mission, Catboy begins to doubt his ability to lead the Power Heroes.

Pharaoh Boy uses an ancient cat-controlling statue to take control of Alley Cat in order to infiltrate Power Q.

Pirate Robot discovers a legendary pirate's treasure rumored to grant its user their own pirate crew, but when he uses it to hypnotize Owlette, Gekko, and Lilyfay into becoming part of his own, things don't go according to plan.

Gloop the Third teams up with Romeo to help him take down the Power Heroes, but when the latter double-crosses him and threatens to destroy his home planet by draining all of its gloop, he ends up turning to the heroes for help.

Gloop the Third teams up with Romeo to help him take down the Power Heroes, but when the latter double-crosses him and threatens to destroy his home planet by draining all of its gloop, he ends up turning to the heroes for help.