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Gekko and the Mayhem at the Museum

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Gekko and the Mayhem at the Museum is the second segment of the 15th episode of PJ Masks. It first aired on January 29, 2016.


Greg plans on building a model rocket at school today. But the building supplies have all gone missing. What's worse, the trip to the science museum has been cancelled due to lack of power. The PJ Masks discover that Romeo, the crazed scientist, plans to use his "Big Box of Bad" to claim the city and rename it in his honor!

Hero Revelation

Problems can be solved in more ways than one.

v - e - d
PJ Masks logo

PJ Masks


Theme song | Let's Go PJ Masks! | The Bravest Cat | Hey Hey Owlette | Mighty Little Gekko | Let's Get Silly | The Power of Friendship


Heroes: Connor / Catboy | Amaya / Owlette | Greg / Gekko | Cameron | Teacher
Villains: Romeo | Luna Girl | Night Ninja | Ninjalinos


Season One: 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


Cat Car | Owl Glider | Gekko-Mobile | Romeo's Laboratory | Luna Board

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