《瓢虫少女第三季》 是托马斯·阿斯特鲁克导演的作品，发行于2018年（法国），由克里斯蒂娜·瓦伦苏埃拉,布莱斯·峇本布鲁克,基思·西尔弗斯坦,Mela Lee,马克斯·迈特尔曼,Carrie Keranen,本·迪斯金等主演的一部欧美动漫。
讲述了：With time, Marinette and Adrien ended up becoming friends. But the collège girl discovers that declaring her feelings for her friend is not so simple, in fact, it will be almost the opposite!                                                                    　　For Ladybug and Cat Noir, despite their new powers and teammates that they can call upon when the situation requires it, the fight with Hawk Moth becomes harder and harder. Their opponent is always stronger as long as he can call on Mayura, a villain who can create allies for the Akumatized, the supervillains.                                                                    　　More powers, more action, more villains, and more emotions! Season 3 will put Adrien and Marinette to the test: Will they be able to keep their secret and prevent their private life from interfering with their superhero adventures?