In the fourth season of PJ Masks, the battle for the sky, and space, continues, also with help from the PJ Masks’ new friend, Newton Star.

Episode 1
Heroes of the Sky (Part 1)
May 15, 2020
Luna Girl steals an old tea service from the museum, but the PJ Masks follow her.
Episode 2
Heroes of the Sky (Part 2)
May 15, 2020
Catboy and Gekko do everything they can to help Owlette find her memories.
Episode 3
Heroes of the Sky (Part 3)
May 15, 2020
When they give up on her after trying so hard, they end up teaming up with Luna Girl to stop Romeo.
Episode 4
Heroes of the Sky (Part 4)
May 15, 2020
The PJ Masks learn that the heart of being a hero is being a good friend.

Episode 5
Who Let the Moths In?
May 29, 2020
The moths head into the team's HQ — but Gekko won't admit he's the one that let them in!

Episode 6
Commander Meow
May 29, 2020
Catboy tries to prove he can be a brave Cat Explorer.

Episode 7
Motsuki's Missing Sister
Jun 15, 2020
The trio offers to help Motsuki find Luna, but Night Ninja has other plans.

Episode 8
Not so Ninja
Jun 15, 2020
The PJ Masks try to teach the Ninjalinos some new skills.

Episode 9
PJ Party Mountain
Jul 6, 2020
A fake An Yu tricks the team to break the rules and have a party on Mystery Mountain.

Episode 10
Wolfies of the Pagoda
Jul 6, 2020
An Yu tries to tame the wild Wolfies.

Episode 11
Master Fang's Secret
Jul 20, 2020
Armadylan and Catboy fight over a special edition comic book when they think it contains a secret.

Episode 12
Aerodylan
Jul 20, 2020
Night Ninja nabs the team's special jet.

Episode 13
Asteroid Accident
Aug 3, 2020
Owlette causes an accident that leads to meeting Newton, a new nighttime hero in space.

Episode 14
All About Asteroids
Aug 3, 2020
Newton likes the team — but also likes his alone time.

Episode 15
Romeo's Space Machine
Aug 17, 2020
With the crew's help, Newton learns he can use both his powers and his brain while trying to stop evil Romeo.

Episode 16
Newton and the Ninjas
Aug 17, 2020
Newton learns how to ask for help.

Episode 17
Missing Space Rock
Aug 31, 2020
Newton thinks Owlette stole a precious asteroid — but the real culprit is Romeo!

Episode 18
Flying Factory Out of Control
Aug 31, 2020
Romeo needs the team's help to bring his Flying Factory under control.

Episode 19
Munki-gu
Sep 14, 2020
Gekko tries to train a misbehaving monkey.

Episode 20
Munki-gu in the City
Sep 14, 2020
Team spirit falls apart when Munki-gu keeps pranking the trio's mission.

Episode 21
Mission Munki-gu
Oct 5, 2020
Catboy recruits Munki-gu to climb aboard the Flying Factory to distract Romeo.

Episode 22
Legend of the Wolfy Bone
Oct 5, 2020
Gekko helps Kevin become his crew's top dog.

Episode 23
Gekko VS Armavillain
Oct 19, 2020
Gekko recruits Armadylan to provide some extra training.

Episode 24
Super Super Cat Speed
Oct 19, 2020
Catboy wants to increase his speed — but that means draining power from his friends.

Episode 25
Munki-gu's Dragon
Nov 2, 2020
An Yu tries to help the trio after Munki-gu's float turns into a menace.

Episode 26
Gekko Loves Lionel
Nov 2, 2020
Lionel prefers to play with Munki-gu instead of Gekko.

Episode 27
Octobella
Nov 16, 2020
A new octopus-girl arrives in the city — is she a friend or a foe?

Episode 28
Octo-Trouble
Nov 16, 2020
Octobella shape-shifts into Gekko and ruins his reputation.

Episode 29
Star Buddies
Nov 30, 2020
PJ Robot wants to be Newton's space buddy — but first he must power up!

Episode 30
To the Moon and Back
Nov 30, 2020
Catboy wants to teleport to the Moon like Motsuki.

Episode 31
Magnet in the Moat
Dec 7, 2020
Luna and Motsuki get help from Octobella after dropping a magnet in the moat.

Episode 32
Motsuki Bugs Out
Dec 11, 2020
Motsuki gets angry at being told she's too "buggy" to be in charge.

Episode 33
Octobella's Garden
Jan 11, 2021
Octobella uses Armadylan for her sinister schemes.

Episode 34
Sploshy Splash
Jan 11, 2021
Owlette must rely on her instincts when Octobella tries to lure her into a trap.

Episode 35
Teeny Weeny Returns
Jan 25, 2021
Feeling bad about his past, Teeny Weeny tries to help defeat the ninjas using his monster powers.

Episode 36
Robo-Wolf
Jan 25, 2021
The Wolfies want their own robot help.

Episode 37
The Labours of Armadylan
Feb 8, 2021
Armadylan tries to fix a museum artifact without telling the trio.

Episode 38
Lost in Space
Feb 8, 2021
Romeo accidentally turns his Flying Factory into a mean machine.

Episode 39
The Power of Monkey Chatter
Feb 22, 2021
Munki-gu won't let the PJ Masks meditate.

Episode 40
The Secret of Monkey Goodness
Feb 22, 2021
Night Ninja takes advantage of Munki-gu's distracting antics.

Episode 41
Pharaoh Boy
Mar 8, 2021
PJ Robot faces his fears to be a hero — and a good friend.

Episode 42
By My Pharaoh Feathers
Mar 8, 2021
Owlette and Romeo argue over the power of Owlette's feathers.

Episode 43
Pharaoh's Chariot
Mar 15, 2021
Catboy wants to offer more than just his super speed to help the team solve a mystery.

Episode 44
PJ Robot Malfunction
Mar 15, 2021
Romeo tries to use PJ Robot against the trio.

Episode 45
The Mysterious Masks
Mar 22, 2021
Romeo plans to use an upcoming concert to take over the world.

Episode 46
Battle of the Fangs
Mar 22, 2021
The Wolfies start a band — but their howling creates new levels of destruction.

Episode 47
Catboy's Cat
Mar 29, 2021
Catboy really wants to have a cat sidekick.

Episode 48
Mad with Moon Power
Mar 29, 2021
Pharaoh Boy starts to cause trouble on the Moon, but the team thinks Luna and Motsuki are to blame.

Episode 49
Pharaoh and the Ninjalinos
May 31, 2021
Night Ninja needs the trio's help after getting trapped by Pharaoh Boy.

Episode 50
Pharaoh’s Boomerangs
May 31, 2021
Pharaoh Boy zaps the team's powers into his boomerangs.

Episode 51
Bubbles Of Badness
Jun 7, 2021
Octobella continues her grudge against Gekko while Catboy and Owlette build a new ride: the PJ Sub!

Episode 52
Bubbles Of Badness Part II
Jun 7, 2021
Octobella continues her grudge against Gekko while Catboy and Owlette build a new ride: the PJ Sub!