S1 E1 • Le royaume perdu

Batman, while on patrol in Gotham City, rescues a homeless man who turns out to be the Wizard. Together they embark on a mission to save Shazam from imprisonment by Black Adam. The latter has unleashed the all powerful Djinn Brothers from their imprisonment in the Rock of Eternity.

Première diffusion : 16 décembre 2016

S1 E2 • Panne de pouvoir

Superman, Wonder Woman, and Martian Manhunter try to stop the Djinn Calythos who has possessed Parasite and plans to use his scimitar to raise a volcano in Metropolis.

Première diffusion : 16 décembre 2016

S1 E3 • La nuit de la chauve-souris

Green Arrow and Batman chase after the Djinn Uthool whom manages to posses Batman and turns him into a bat monster. With Superman to the rescue for Batman, Booster Gold, Wonder Woman, and Cyborg have to prevent a breach in the Hall of Justice's reactor core.

Première diffusion : 16 décembre 2016

S1 E4 • Mauvais sort et supercherie

Superman, Batman and Wonder Woman pursue the remaining Djinn Abnegazar, Rath, and Nyorlath. However they manage to drain Superman and Wonder Woman's powers. John Constantine, Green Arrow, Plastic Man and Swamp Thing come to their aid. When the Djinn receive help from Black Adam, Batman arrives with Shazam. Together with the Justice League they defeat Black Adam and the Djinn.

Première diffusion : 16 décembre 2016

S1 E5 • Suivez ce spacio-taxi

Superman teams up with Space Cabbie and Hawkman to protect Mr. Mind from Lobo.

Première diffusion : 21 janvier 2017

S1 E6 • Les valeurs de la famille atomique

With most of the League unavailable, Firestorm is the only one to stop a family of androids from blowing up a nuclear power plant.

Première diffusion : 28 janvier 2017

S1 E7 • Le maître des zombies

Batman teams up with John Constantine, Zatanna, and Swamp Thing when Solomon Grundy tries to raise a zombie army.

Première diffusion : 4 février 2017

S1 E8 • Le fou du roi intergalactique

Wonder Woman and Superman have to rescue Joker from Mongul. Meanwhile Batman and Flash have to find a massive laughing gas bomb hidden away somewhere in Gotham.

Première diffusion : 11 février 2017

S1 E9 • Passé composé

Batman and Blue Beetle are thrown back in time where they must stop Chronos from destroying Batman on his first night in Gotham.

Première diffusion : 18 février 2017

S1 E10 • Sous un soleil rouge

Superman ends up fighting the Apokoliptian Steppenwolf under a red sun, which renders him powerless. Batman and New God Big Barda come to his aid.

Première diffusion : 25 février 2017

S1 E11 • Toyman se prend au jeu

The Toyman turns the league into players of a computer game and its up to Cyborg to beat Toyman at his own game.

Première diffusion : 4 mars 2017

S1 E12 • Répulsor

Superman has been infected by the "Repulse" which are advanced nanobots controlled by Lex Luthor. Wonder Woman and Hawkman try to find a way to save Superman and remove the "repulse" nanobots from his body.

Première diffusion : 11 mars 2017

S1 E13 • Des bonbons ou la mort

A Halloween story. Doctor Fate, John Constatine, Zatanna and Batman are turned into 10 year old childeren by Clarion the Witch Boy. Clarion plans to use this unior league so he can acces the House of Mystery and steal the Helmet of Fate.

Première diffusion : 18 mars 2017

S1 E14 • Le démon de la vitesse

After defeating Harley Quinn, Batman and Zatanna encounter Brother Knight, who uses his dark magic on the Batmobile, which turns into a demonized vehicle. Batman, with the help of Etrigan the Demon, must save Zatanna, stop the Batmobile and defeat Brother Knight.

Première diffusion : 25 mars 2017

S1 E15 • Le coup du chapeau

Felix Faust steals Zatanna's hat in order to free a ancient demon and get his youth back. While Etrigan and Batman try to stop the demon, Zatanna has to use every magical spell in her arsenal to get her magical hat back.

Première diffusion : 8 avril 2017

S1 E16 • Luthor au paradis

Luthor and Circe invade Themyscira, home of the Amazons, to obtain a staff that leads to the Fallen Realm and an artifact of the Greek Gods. Wonder Woman, Batman and Superman, must find a way to stop the villains plan.

Première diffusion : 29 avril 2017

S1 E17 • Plastic Man sauve le monde

Brainiac attacks Metropolis to add the city to his collection. Batman, Cyborg, Vixen and even Superman are unable to stop Brainiac's attack plan, so its up to Plastic Man to safe the day.

Première diffusion : 6 mai 2017

S1 E18 • Voyage de classe

Superman takes Firestorm, Star Girl, and Blue Beetle on a tour of his fortress. However in the process Superman is trapped in the Phantom Zone, freeing General Zod in the process. Now the trio of teen superheroes has to stop him.

Première diffusion : 13 mai 2017

S1 E19 • La rage des Red Lanterns

Lobo is back and he is chased by the Red Lanterns. Atrocitus and his Red Lanterns demand a stolen Red lantern ring back from Lobo, who seeks protection from Batman, Superman, and Wonder Woman. When Lobo's real plan unfolds it takes the combined power of the Red Lanters and the Justice league to stop him.

Première diffusion : 20 mai 2017

S1 E20 • La morsure du froid

Mr. Freeze is determined to freeze Gotham City once and for all. And he is using Killer Frost as his power source. While Batman deals with Mr. Freeze its up to Firestorm, who has a crush on Killer Frost, to come to her rescue.

Première diffusion : 27 mai 2017

S1 E21 • L'Ennemi intérieur

In a Fantastic Voyage-like adventure, Atom shrinks Batman and Wonder Woman, so they can enter Superman's bloodstream and destroy a lethal nanite virus.

Première diffusion : 3 juin 2017

S1 E22 • La vérité, toute la vérité

The JLA find themselves in danger of losing Wonder Woman when the goddess Athena comes to Earth with an offer Diana can't refuse -- filling the position of the Goddess of Truth on Mt. Olympus.

Première diffusion : 3 juin 2017

S1 E23 • Double jeu

In order for Batman to lure Deadshot into a trap, he has Plastic Man pose as Two-Face. Things go well at first until the real Two-Face escapes from Firestorm's custody.

Première diffusion : 10 juin 2017

S1 E24 • Combat pour la cité en bouteille

While Superman visits the bottled city of Kandor, Brainiac attacks the Fortress of Solitude in hopes of reclaiming the Kryptonian city. With no one else available, The Atom commandeers one of the Superman Robots to fight the super genius.

Première diffusion : 17 juin 2017

S1 E25 • Le jardin du mal

Swamp Thing has a blind date with Poison Ivy, which leads to her controlling him in her plot to overrun Gotham City with plant. It is up to Batman to find an antidote to free Swamp Thing from Poison Ivy's control. Meanwhile, Poison Ivy is collaborating with Harley Quinn to help her keep Swamp Thing in check. So Superman, Firestorm, and Vixen work to fight Poison Ivy and Harley Quinn on their home turf.

Première diffusion : 24 juin 2017

S1 E26 • En voiture

In a strange turn of events, the JLA enlist the help of Space Cabbie and Jonah Hex to stop the hijacking of an intergalactic space train.

Première diffusion : 1 juillet 2017

S1 E27 • Hors du temps

Batman teams up with Booster Gold when an interdimensional creature starts literally eating up time.

Première diffusion : 8 juillet 2017

S1 E28 • La course fatale

Space Cabbie inadvertently learns about a great threat to the Justice League when one of his passengers turns out to be Darkseid.

Première diffusion : 15 juillet 2017

S1 E29 • Le grand mélange

As the Justice League tries to protect the United Nations from Gorilla Grodd gorilla army, Mister Mxyzptlk pops up from the fifth dimension and thinks it would be great fun to put each of the superheroes' brains into another hero's body.

Première diffusion : 22 juillet 2017

S1 E30 • Baby-sitting et occultisme

Stargirl has to enlist Constantine's help when Klarion the Witch Boy takes the place of the boy she's supposed to be babysitting.

Première diffusion : 29 juillet 2017

S1 E31 • De l'or pour Booster

Green Arrow becomes involved with Booster Gold when he discovers that the self-centered superhero has brought dinosaurs back from the past for a money-making venture.

Première diffusion : 12 août 2017

S1 E32 • Hourra pour Bizzaro

When the android Amazo attacks and duplicates the abilities and powers of Superman, Wonder Woman, Batman, Flash, Green Lantern, and Martian Manhunter, the strange super-villain Bizarro becomes the Justice League's last hope to turn things around.

Première diffusion : 19 août 2017

S1 E33 • La petite évasion

Joker springs Lex Luthor from prison with the help of a Mother Box. Its up to the the Justice League to catch them again.

Première diffusion : 26 août 2017

S1 E34 • La racine cubique

Firestorm attends the opening of the new Science Center established by Martin Stein's old college roommate Mister Terrific until it get crashed by Calculator. When Calculator hacks Mister Terrific's T-spheres and separates Firestorm back into Ronnie Raymond and Martin Stein, it up to Martin Stein and Mister Terrific to work together to free Ronnie Raymond and defeat Calculator.

Première diffusion : 2 septembre 2017

S1 E35 • L'enlèvement

When obnoxious reporter Sid Sharp decides that Clark Kent is getting all his stories because of his connection to Superman, Sid decides to become his own superhero to out scoop him.

Première diffusion : 9 septembre 2017

S1 E36 • Les Rouges contre les Bleus

Luthor comes up with a new device to defeat Superman. But the kryptonite emitter has the unexpected ability to separate people in two, one passive and good (blue), the other aggressive and mean (red). Superman Red, Wonder Woman Red and Batman Red decide to use the weapon on the entire Justice League and conquer the world.

Première diffusion : 16 septembre 2017

S1 E37 • Au coeur de la bague

Sinestro's ring is suddenly much more powerful than usual, so the Justice League sends a microscopic Atom into his ring to find out what the cause might be.

Première diffusion : 23 septembre 2017

S1 E38 • L'Amnésie des Justiciers

When Firestorm discovers that League members have no memory of who they are, it's up to him to round them up in their secret identities and convince them they are superheroes.

Première diffusion : 30 septembre 2017

S1 E39 • Le Choc des QI

A mysterious creature abducts Batman, Mr. Terrific, Luthor and two of the brainiest villains in the universe to put them to the test to discover who is the smartest among them.

Première diffusion : 7 octobre 2017

S1 E40 • Le Sphinx Détective

When the Joker traps Batman, the Justice League allows Riddler to help them find him.

Première diffusion : 14 octobre 2017

S1 E41 • Titano contre Gotham

When Gorilla Grodd takes control over Titano, only Harley Quinn can reach him.

Première diffusion : 21 octobre 2017

S1 E42 • Le retour de Zod

When members of the Justice League are affected by the Phantom Zone ray and become phantom-like, their only hope for freedom is to somehow get a message to Booster Gold.

Première diffusion : 28 octobre 2017

S1 E43 • Il faudrait un miracle

Batman needs help from the new God Mr. Miracle to stop one of Darkseid's evil plans. But Batman first has to catch the universes greatest escape artist.

Première diffusion : 4 novembre 2017

S1 E44 • Erreur Système

Trapped in a “pocket dimension” the Justice League has to fight in an endless simulation that Darkseid can reset over and over again. Its up to the Batman to come up with an escape plan and contact the Justice League?

Première diffusion : 11 novembre 2017

S1 E45 • La Course Contre le Crime

Superman and Flash race for charity only to fall into a trap set by Lex Luthor. With the help of time traveling supervillain Chronos, Luthor has build a "time" suit that allows him to control everyone's speed.

Première diffusion : 18 novembre 2017

S1 E46 • Changement de programme

Green Arrow and Plastic Man just caught Solomon Grundy, who ends up with them at the the annual Justice League Christmas party, what can go wrong? It all works out with help of Batman, the Flash and the spirit of Christmas. Although Green Arrow tries his best, the rest of the League decides to go to the S.T.A.R. labs Christmas party after all.

Première diffusion : 2 décembre 2017

S1 E47 • Une Visite Improvisée

When Booster Gold starts to secretly give tours of the Watchtower to make some extra cash, he inadvertently brings in at least one super-villain disguised as a tourist.

Première diffusion : 6 janvier 2018

S1 E48 • A Mains Nues

When Green Lantern leaves his ring in an intergalactic restroom after washing his hands, he discovers it's gone, leading him on a wild chase for the aliens who might have taken it.

Première diffusion : 13 janvier 2018

S1 E49 • Un Nouveau Super Héros

Mr. Mxyzptlk decides to create some mischief by granting Shazam's well-meaning Uncle Dudley with superpowers bigger than anyone in the league.

Première diffusion : 20 janvier 2018

S1 E50 • La Guerre des Kryptoniens

Mr. Mxyzptlk shows Supergirl and Superman that their innate goodness might not be so pure when he takes them to a parallel world where their counterparts are impossibly aggressive and spoiled.

Première diffusion : 27 janvier 2018