Episode 1
Master Fu and Marinette believe that the owner of the Miraculous book is Hawk Moth, but that suspicion leads to either Adrien or his father, Gabriel.
Episode 2
Trying to learn how to be nice, Chloé throws a party but loses her temper and fires her butler, who becomes akumatized into the vengeful Despair Bear.
Episode 3
During an exclusive interview, a reporter trying to trap Ladybug and Cat Noir into confessing feelings for each other is akumatized by Hawk Moth.
Episode 4
When Marinette elects to hang out with her friends on her birthday instead of her grandmother, grandma is akumatized into a candy-gun-wielding baddie.
Episode 5
A fencing opponent who loses a duel against Adrien gets akumatized and goes after him for a rematch while only Ladybug is around to protect him.
Episode 6
Hawk Moth akumatizes Max's best friend and pet robot, Markov, into Robostus, a raging techno-threat with the power to bring inanimate objects to life.
Episode 7
Marinette's plans to ask Adrien out on a romantic walk are foiled when Hawk Moth akumatizes a frustrated child into a giant, lollipop-seeking baby.
Episode 8
After school principal Damocles is akumatized into Dark Owl, he traps Ladybug and Cat Noir in a warehouse and tries to uncover their true identities.
Episode 9
Marinette meets Alya and friends for a treat at André's, a legendary Parisian ice cream maker, but André is akumatized into the villain Glaciator.
Episode 10
During a sleepover with Marinette, Alya punishes her twin sisters, Etta and Ella, who get akumatized into monsters that multiply when they eat.
Episode 11
Marinette must rescue Adrien from a group of overzealous fans and from his own bodyguard, who has been akumatized into the hulking Gorizilla.
Episode 12
Hawk Moth akumatizes Juleka's mother into Captain Hardrock, a pirate whose indestructible ship blasts loud music to destroy a music festival.
Episode 13
The students give gifts to Miss Bustier on her birthday but the popular teacher is akumatized into Zombizou, a monster armed with evil black lipstick.
Episode 14
When her crush, Kim, goes on a movie date with someone else, talented swimmer Ondine gets akumatized into Syren, who tries to submerge Paris.
Episode 15
Marinette is cast to play Ladybug and Adrien as Cat Noir for a music video honoring the heroes, but the star gets akumatized into a musical monster.
Episode 16
A rock star is scheduled to visit the bakery owned by Marinette's parents, but his overwhelmed personal assistant is akumatized by Hawk Moth.
Episode 17
Alya's older sister Nora becomes akumatized by Hawk Moth into Anansi, an enormous spider-woman hybrid named after an African folktale.
Episode 18
The supervillain Sandboy uses his powers to turn the nightmares of Parisians into reality, forcing a Tikki-less Marinette to intervene.
Episode 19
Angry over his perception that Marinette and Nathaniel humiliated him, fellow student Marc becomes Reverser, who is determined to get revenge.
Episode 20
A figure skater gets akumatized by Hawk Moth into Frozer, a villain armed with powerful skates who tries to turn Paris into a frozen wasteland.
Episode 21
When she is humiliated by Gabriel, Chloe's mother becomes Style Queen, who possesses a magical scepter and aims to exact her revenge on Adrien.
Episode 22
In an attempt to impress her mother, Chloe tries to become the superhero Queen Bee but is instead transformed into the supervillain Queen Wasp.
Episode 23
When Chloe considers leaving Paris, her father, Mayor Bourgeois, turns into Malediktator, a powerful villain who wants her to stay at any cost.
Episode 24
Marinette lies about preparing a good deed to perform for others on the Day of Heroes and quickly finds her untruth spinning out of control.
Episode 25
Ladybug and Cat Noir face one of their most fearsome opponents when Hawk Moth sets a sinister plan into motion by akumatizing his assistant.