: A mischievous monkey-like character who brings chaos to both Mystery Mountain and the city.
: The season sets the stage for the team eventually evolving into the "Power Heroes," incorporating more specialized allies. New Villains and Locations
: The dragon girl of Mystery Mountain continues to play a vital role, often guiding the team through magical challenges. PJ Masks Season 4 Complete Pack
: To combat these threats, the team debuts the PJ Jet for sky missions and the PJ Sub for underwater battles in the newly introduced Crystal Garden .
: A new octopus-girl villain who lives in a moat and is obsessed with her crystal collection. She frequently clashes with Gekko and the team using her aquatic powers. : A mischievous monkey-like character who brings chaos
: A scientist-hero who aids the PJ Masks during space missions, though he sometimes struggles with the physical side of hero work.
The team faces fresh threats from the deep and the ancient past: : To combat these threats, the team debuts
: An ancient Egyptian boy who uses his "Pharaoh Feathers" and boomerangs to cause trouble.