第 3 季 共 26 集
播出时间：2019年4月15日
第 1 集 Backwarder
播出时间：2019年4月15日
After Marinette mixes up some messages, an old love of Master Fu becomes Backwarder, who wields a magic wand that can steal time from others.
第 2 集 Weredad
播出时间：2019年4月22日
Disappointed that Cat Noir doesn't return his daughter's love, Tom becomes Weredad, who locks Marinette in a magic prison to protect her from hurt.
第 3 集 Chameleon
播出时间：2019年4月29日
Marinette and Adrien confront Lila with her lies, so she asks Hawk Moth to akumatize her into Chameleon, a new villain determined to destroy Ladybug.
第 4 集 Animaestro
播出时间：2019年5月6日
Humiliated at the premiere of his new Ladybug and Cat Noir movie, the director becomes Animaestro, forcing the real superheroes to act fast.
第 5 集 Bakerix
播出时间：2019年5月13日
Marinette meets her grumpy grandpa for the first time, leading him to akumatize into a villain who wants to destroy everything modern in Paris.
第 6 集 Silencer
播出时间：2019年5月20日
Marinette and Kitty Section record a music video, but an unscrupulous producer, the father of XY, steals their ideas and inspires Luka to seek revenge.
第 7 集 Oblivio
播出时间：2019年5月27日
When they enter the Montparnasse Tower, Ladybug and Cat Noir lose their memories and transform back into Marinette and Adrien in front of each other.
第 8 集 Stormy Weather 2
播出时间：2019年6月3日
Chloé picks on Aurore after her grades slip due to her job as a weather girl, angering her and allowing Hawk Moth to transform her back into Stormy Weather, but this time with her powers much stronger than before. After defeating her, Marinette works up the courage to deliver some schoolwork Adrien missed due to a photoshoot.
第 9 集 Reflekdoll
播出时间：2019年10月22日
Ladybug and Cat Noir each get the other's Miraculous when they must take on Juleka, who has become Reflekta again and now has a sentimonster.
第 10 集 Oni-Chan
播出时间：2019年10月22日
Kagami becomes jealous when Lila manipulates her way into the Agreste mansion and turns into Oni-Chan, a masked villain who can teleport.
第 11 集 Miraculer
播出时间：2019年10月23日
Sabrina, angry at Chloe for the attention she gives to Ladybug, becomes Miraculer, who can steal powers away from superheroes.
第 12 集 The Puppeteer 2
播出时间：2019年10月24日
Marinette tries to arrange some alone time with Adrien at the wax museum, but she's supposed to be babysitting Manon, who becomes Puppeteer again.
第 13 集 Desperada
播出时间：2019年10月25日
Jagged Stone seeks to replace the guitarist he fired, who akumatizes into Desperada, a villain with a magic guitar that turns people into stickers.
第 14 集 Startrain
播出时间：2019年10月26日
Anxiously awaiting news about her astronaut application, Max's mom becomes Startrain, who wants to turn her train into a rocket ship.
第 15 集 Kwamibuster
播出时间：2019年10月28日
Mrs. Mendeleiev gets akumatized into Kwamibuster. She wants to capture Tikki and Plagg to prove to the world that these magic creatures are real. Ladybug and Cat Noir will have to protect their secret at all costs.
第 16 集 Feast
播出时间：2019年10月29日
A strange statue uncovered in Tibet turns out to be a sentimonster called Feast that was created accidentally by Master Fu when he was a child.
第 17 集 Ikari Gozen
播出时间：2019年10月30日
Adrien is the prize in a Paris-wide Friendship Day treasure hunt, but Marinette is teamed up with Kagami, who has disobeyed her mother to participate.
第 18 集 Timetagger
播出时间：2019年10月31日
Ladybug and Cat Noir are trapped between two time travelers from the future, one of whom has been sent by Hawk Moth to steal their Miraculous.
第 19 集 Party Crasher
播出时间：2019年11月1日
After Adrien tells his friend Wayem he's not allowed to have friends over, Wayem discovers an impromptu party at the Agrestes that makes him jealous.
第 20 集 Gamer 2.0
播出时间：2019年11月4日
When he can't find anyone to test his video game that pits formerly akumatized villains against one another, Max again becomes one himself: Gamer 2.0.
第 21 集 Cat Blanc
播出时间：2019年11月11日
When Marinette makes a serious mistake, she has to facethe consequences by fighting the last person she ever imagined would get akumatized.
第 22 集 Félix
播出时间：2019年11月18日
When Félix, Adrien's cousin, visits Paris and sows discord between Adrien and his friends, Alya, Rose and Juleka get akumatized into the Trio of Punishers. Can Ladybug and Cat Noir stop the three villains and reason with Félix?
第 23 集 Ladybug
播出时间：2019年11月25日
Marinette's scheming nemesis Lila manipulates all of her friends into turning against her and even gets Marinette expelled from school.
第 24 集 Chris Master
播出时间：2019年12月2日
Marinette babysits Nino's little brother, Chris, who akumatizes into Chris Master and wields a magic snow globe that can make giant toys.
第 25 集 Heart Hunter (The Battle of the Miraculous – Part 1)
播出时间：2019年12月9日
Ladybug and Cat Noir confront Mr. and Mrs. Bourgeois, who have become "Loveater", a two-headed Cerberus that devours all the love in Paris.
第 26 集 Miracle Queen (The Battle of the Miraculous – Part 2)
播出时间：2019年12月9日
Hawk Moth akumatizes Chloé into Miracle Queen to make her take control of all Miraculous holders. Will Ladybug and Cat Noir be able to escape this fatal plan?
