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"PJ Party Mountain"
Season 4, episode 4A
(Overall episode #157)
PJ Party Mountain Title Card.png
Premiere date
United States of America United States of America
July 6, 2020[1]
Written by Ashley Mendoza
Directed by Christian De Vita
Viewer count (millions) TBA
Episode Guide
"Not so Ninja"
"Wolfies of the Pagoda"

"PJ Party Mountain" (also known as "Les Pyjamasques et la fête de Flamme Rouge" in French) is the first segment of the 4th Season 4 episode of PJ Masks.



The PJ Masks are enticed by a fake An Yu to break all the rules and have a party on Mystery Mountain.


Ninjaka has taken over a secret statuette and uses it to trap Flamme Rouge and Les Pyjamasques.


The following characters appeared in the episode "PJ Party Mountain":


The episode starts off with the PJ Masks entering the pagoda to have some mountain flower tea with An Yu. They ask if they can have some fun and possibly have her show them the magical things hidden in the drawers. An Yu sternly disallows it, saying that fun is not allowed, and that there is a rule that dragon masters only can access the magic placed within them. She gives the team ten volumes of all the rules of Mystery Mountain that they need to follow.

Meanwhile, halfway down the mountain, Night Ninja and his Ninjalinos retrieve a special lost treasure from a secret dragon chamber inside the cave: the legendary statue of Munki-gu, which can change the appearance of someone else. He uses it to turn himself into An Yu, and tells his Ninjalinos to give a fake invitation to the PJ Masks and get her out of the pagoda.

The next day, Connor, Amaya, and Greg are in Amaya's House reading the books that An Yu gave them to learn all the rules before visiting Mystery Mountain again, although feeling bored. When Connor opens another book, the fake invitation from Night Ninja falls out. To the kids’ surprise, it reads that An Yu is supposedly inviting them to a party. They transform later that night, and they drive over to the Mystery Mountain portal on their PJ Rovers.

“An Yu” comes out and greets the PJ Masks with some dance moves. “She” tells them that “she” changed “her” ways using the book that allegedly talks about having fun on Mystery Mountain. The only rule is that there are no rules at all. “An Yu” then dances through the portal. The PJ Masks are a bit concerned that An Yu is not acting like herself, but after some thought, they decide that they could get used to it, so they follow “An Yu” inside. They are unaware, though, that the An Yu they are with is actually Night Ninja in disguise. The real An Yu is being led outside of the pagoda by the Ninjalinos playing with one of the relics.

Traveling along the bamboo forest, the fake An Yu entices the PJ Masks to play with the rocks and sing as loudly as they can, despite the rules saying that they are not allowed to either play with the rocks or sing, especially in loud voices in the whispering bamboos. Gekko juggles a couple of rocks until one rolls away from his hands, though the fake An Yu says that anything can happen during their party on Mystery Mountain, and the four kids sing loudly as they traverse up the mountain.

On the mountain peak, the PJ Masks take on the challenge to skip all the booby traps and reach the pagoda safely. They quickly open the pagoda doors, and the fake An Yu runs over to the drawers and opens a couple of them, releasing some of the magic contained inside. The PJ Masks are concerned, knowing that the drawers are not to be opened no matter what. Their concerns are proven true when the real An Yu suddenly appears.

Night Ninja’s cover blown, he takes out the Munki-gu statue to reveal how he transformed into An Yu. The Ninjalinos return next to him, and he uses the relic on them to take her form as well. The ninjas run outside the pagoda to cause some more trouble. An Yu chases after them, but she almost falls into one of the gaps the traps left behind. Owlette saves her, but one of the Ninjalinos takes her staff. Night Ninja takes it, and he uses the Munki-gu statue on the dragon statues to trap the four kids. He then transforms himself and his Ninjalinos back to themselves, and they exit the gates, mocking the PJ Masks how they wanted to have some fun since An Yu is too serious.

The PJ Masks apologize to An Yu about not thinking clearly before breaking all the rules. The rules were meant to keep everyone safe. An Yu apologizes as well, saying that she should have not been too strict. Fortunately, she knows a way to get past the dragon splat tongues. The rule is to get past them, they have to dance slowly and seriously, but they should also have fun. That being said, the four heroes perform some dance moves slowly and seriously, while also having fun. The dragon statues soon calm down, and the dragon tongues recede.

The PJ Masks and An Yu exit the pagoda gates to find Night Ninja and his Ninjalinos celebrating their victory. Taking the information that the heroes are not invited to the party, Owlette blows the Ninjalinos away, while Gekko camouflages himself to take the Munki-gu statue away from Night Ninja. Catboy also takes away An Yu’s staff from the villain, and An Yu sends him down the mountain.

The four heroes return inside the pagoda to put away the Munki-gu statue. Before doing that, though, An Yu quickly steps out of the PJ Masks’ view. She transforms herself into Night Ninja, and scares the team as a prank. The PJ Masks are surprised, but amused since they see that An Yu is realizing that she can have some fun as well. She places the Munki-gu statue inside one of the drawers, and the heroes proclaim the signature victory phrase.


  • Do not be fooled to break the rules.
  • Don't be too strict with others.
  • Sometimes you have to be serious and slow, but also have fun.


  • This episode shares the same two words with "PJ Party Crasher."
  • Munki-gu makes his first appearance.
    • Despite this, he only appears as the Munki-gu Statue until the episode "Munki-gu," where he transformed back into a normal monkey.
  • This is the second time An Yu says the PJ Masks motto, "Time to be a hero."
  • An Yu says "PJ Masks, all shout hooray," for the first time.


Episode list
| Blame it on the Train, Owlette | Catboy's Cloudy Crisis | Owlette and the Flash Flip Trip | Catboy and the Pogo Dozer | Gekko and the Super Ninjalinos | Owlette's Terrible Pterodactyl Trouble | Catboy and the Shrinker | Owlette and the Moon-Ball | Catboy and the Butterfly Brigade | Owlette the Winner | Speak UP, Gekko! | Catboy and Master Fang's Sword | Catboy VS. Robo-Cat | Owlette and the Giving Owl | Catboy and the Great Birthday Cake Rescue | Gekko and the Snore-A-Saurus | Looking After Gekko | Catboy and the Teeny Weeny Ninjalino | Catboy's Tricky Ticket | Gekko and the Missing Gekko-Mobile | Catboy's Flying Fiasco | Gekko's Stay-at-Home Sneezes | Gekko Saves Christmas | Gekko's Nice Ice Plan | Gekko and the Mighty Moon Problem | Clumsy Catboy | Catboy and Gekko's Robot Rampage | Owlette's Feathered Friend | Owlette and the Battling Headquarters | Gekko and the Mayhem at the Museum | Catboy Takes Control | Owlette's Two Wrongs | Gekko Floats | Catboy's Two-Wheeled Wonder | Catboy's Great Gig | Owlette's New Move | Supersonic Owlette | Catboy and the Sticky Splat Slingshot | Owlette of a Kind | Beat the Drum, Catboy | Catboy Squared | Gekko's Super Gekko Sense | Owlette and the Owletteenies | Gekko's Blame Campaign | Owlette and the Moonflower | Slowpoke Gekko | Catboy and the Lunar Dome | Gekko and the Rock of All Power | Super-Sized Gekko | Take to the Skies, Owlette | Slow Down, Catboy! | Gekko's Special Rock |
| Moonfizzle Balls | Soccer Ninjalinos | Lionel-Saurus | Catboy's Cuddly | Night of the Cat | Catboy Does It Again | Terrible Two-Some | Owlette's Luna Trouble | Ninja Moths | Who's Got the Owl Power? | PJ Pinball | Bounce-a-Tron | Wacky Floats | Romeo's Disguise | PJ Robot | PJ Power Up | Moonstruck: Race to the Moon | Moonstruck: Lunar Fortress | Robot's Pet Cat | Gekko, Master of the Deep | May the Best Power Win | Moonbreaker | Race Up Mystery Mountain | The Mountain Prisoner | The Wolfy Kids | Wolf-O-Saurus | Catboy No More | Gekko Vs. the Splatcano | Meet Armadylan | Invisible Owlette | Wolfy Mountain | Romeo's Crystal Clear Plan | Nobody's Sidekick | Armadylan Menace | Power Pondweed | Owlette Comes Clean | Halloween Tricksters | The Wolfies Take HQ | The Good Wolfy | The Wolfy Plan | The Lizard Theft | PJ Dylan | Armadylan'd and Dangerous | Romeo's Action Toys | The Dragon Gong | Flight of the Ninja | Romeocoaster | Gekko and the Opposite Ray | PJ Masks Vs. Bad Guys United | Easter Wolfies | Luna and the Wolfies |
| Moon Madness | Armadylan and Robette Rule | Armadylan Zen | Way of the Woofy | Werejalinos | PJ Comet | Glowy Moths | Teacher Goes Ninja | Robot Goes Wrong | Lionel's Powers | Best Friends Forever | Meet An Yu | The Moon Prix | Pirates Ahoy! | The Secret of the Pagoda | Storm of the Ninja | Arma-Leader | Owlette Slips Up | The Splat Monster | Moth on the Moon | Fly Me To The Moon | Luna's Cosmic Tantrum | Motsuki The Best | Wheels of a Hero | Moonwolfy | Clash on Mystery Mountain | A Teeny Weeny Problem | Take Romeo Off The Road | Mission: PJ Seeker | Wolfy Powers | Do The Gekko | Armadylan, Action Hero | Super Muscles Show Off | The Prank Wheelz | Where's The Wolf Wheelz? | Villain of the Sky | Protector of the Sky | The PJ Masks Save Christmas | Romeo's Melody | PJ Robot Takes Control | PJ Sky Pirates | The Disappearing Ninjas | Gekko Everywhere | Gekko Takes Charge | Big Sister Motsuki | PJ Party Crasher | Master of the Moat | PJ Robot Vs Romeo |
| Heroes of the Sky | Who Let the Moths In? | Commander Meow | Motsuki's Missing Sister | Not so Ninja | PJ Party Mountain | Wolfies of the Pagoda | Master Fang's Secret | Aerodylan | Asteroid Accident | All About Asteroids | Romeo's Space Machine | Newton and the Ninjas | Missing Space Rock | Flying Factory Out of Control | Munki-gu | Munki-gu in the City | Mission Munki-gu | Legend of the Wolfy Bone | Gekko Vs Armavillain | Super Super Cat Speed | Munki-gu's Dragon | Gekko Loves Lionel | Octobella | Octo-Trouble | Star Buddies | To the Moon and Back | Magnet in the Moat | Motsuki Bugs Out | Octobella's Garden | Sploshy Splash | Teeny Weeny Returns | Robo-Wolf | The Labours of Armadylan | Lost in Space | The Power of Monkey Chatter | The Secret of Monkey Goodness | Pharaoh Boy | By My Pharaoh Feathers | Pharaoh's Chariot | PJ Robot Malfunction | The Mysterious Masks | Battle Of The Fangs | Catboy's Cat | Mad With Moon Power | Pharaoh and The Ninjalinos | Pharaoh's Boomerangs | Bubbles Of Badness |
| Ninja Power Up | Luna Goes Too Far | Owly Tricks | Newton The Destructor | Luna Kazoomer | Baddie Bots | Newton and the Animals | Octobella Strikes Again | Octobella on the Loose | Teeny Weeny to the Rescue | Invisible Munki-Gu | Orticia Blooms | Orticia and the Pumpkins | Pirate Robot | Owlette, the Pirate Queen | Catboy's Magic Trick | Gekko The Croc | The Camping Trip | Pondweed Party | A Percival Problem | Luna Girl's Sleepover |
To be announced.
| Super Cat Speed | Super Gekko Muscles | Owl Eyes | Reinvention | Moth's Day | Super Moves Dance Party | Super Gekko Camouflage | Teamwork | All Skills | Determination | Gekko Improvises | Super Singing Heroes | Team Night Ninja | Super Cat Ears | Owlette Improvises | A Job For All | Bravery | Catboy Improvises | Taking Turns | Training with the PJ Masks | Moon Rocked | Play Date on the Moon | Space Race | Cat-Car Chaos | Gekko-Mobile Mischief | Robots Wash Up | Owl-Glider Gliding | Armadylan Style | Wolfy Garden | Bye Bye Bad Luna | Catboy Power Up | Owlette Power Up | Gekko Power Up | Masters of the Mountain | Moon Cuddly | The PJ Rovers | PJ Racing | An Yu's Bird Rescue | PJ Masks Surprise | Ninjability | HQ Tour | Minding Motsuki | It's A PJ Masks Christmas | Learning the Planets |