It's been years since Paris' courageous heroes found their way into every Parisians’ heart. With this in mind, they've created a holiday in their honor, and it's called Heroes Day. Cat Noir and Ladybug are highly celebrated throughout this anticipated event, because well, they constantly save Paris from disaster. What our favorite heroes don't know, however, is that Hawk Moth's got a plan up his sleeve, and he's not afraid to use it. In fact, he has eagerly been waiting for this day to arrive. With the help of his trusted assistant, Nathalie, Hawk Moth is taking over Paris one civilian at a time. Soon, he'll have everything he needs to put his master plan into motion, and maybe, just maybe, he'll be able to achieve his wildest dreams.
"Catalyst, Heroes Day Part 1," left us all with our mouths wide open, and how could it not? After all, it's the first time that Marinette and Adrien are going against a handful of akumatized villains at the same time.