Ambiguous Situation: When Ladybird shows up, Alya immediately throws herself into an assuring hug. Ladybird thinks this means that she figured out their secret identity and sees them being there as confirmation that they're alright, though its never verified.
Internal Reveal: Louis and Keva find out that his grandfather Gabriel is the supervillain Hawk Moth.
Karma Houdini: Louis and Keva manage to convince Gabriel to give them his miraculous in exchange for complete anonymity, allowing him to get away with everything he did as Hawk Moth. Though considering the immense guilt he feels for the Fairy Grandmother Incident, he didn't exactly walk away unscathed.
"Shaggy Dog" Story: According to Louis, Emilie woke up all on her own when he was three-years old, making Gabriel's campaign of terror as Hawk Moth pointless.