While the reveal of Marinette and Adrien's secret identities as Ladybug and Cat Noir is probably the Miraculous ...

Time travel in Miraculous Ladybug can occur through akumatization, a Miraculous Power, or the Burrow. It’s up to Marinette and her friends to navigate the treacherous wobbliness of time without ...

making her angry at Marinette. The Miraculous Ladybug doesn't erase her memory of it, so Cat Noir upgrades his power into a "Miraculous Cat Noir" that can destroy memories.