Miraculous: Tales of Ladybug & Cat Noir (2015) : 6x15

While Zoé searches for a way to stop the malicious people she encounters from doing harm, Ladybug and her team find themselves facing a series of strange events in Paris. In addition to confronting a particularly vengeful supervillain, our superheroes, the Miraculers, will have to hunt down a mysterious masked vigilante with unconventional methods.