While he is on patrol, Batman finds himself interceding for the Wizard, who is trying to thwart the evil plot of Black Adam, who has caught Billy Batson.
Parasite tries to raise a volcano in Metropolis, but Superman, Wonder Woman, and Martian Manhunter set out to stop him.
After it turns out that the Djinn Uthool has possessed Batman, Superman has to fight Batman.
In order to fail the Brothers Djinn's spells, the Justice League Team disguises themselves as each other.
While Superman escorts the prisoner Mr. Mind, he is attacked by Lobo.
The Justice League seeks the help of Firestorm to find the Nuclear Family.
Batman teams up with Swamp Thing and others and they try to stop Grundy from waking up the dead.
The Justice League is divided between rescuing the abducted Joker and finding his laughing gas bomb before it explodes in Gotham.
Batman and Blue Beetle go back in time and they have to stop Chronos from eliminating the young Dark Knight in the past.
While Superman is imprisoned by Steppenwolf, who is planning on becoming a legend by killing Superman, the rest of the team tries to save Superman.
Cyborg strives to beat Toyman and help his team after they are turned into players in a fighting game.
Wonder Woman and Hawkman try to save Superman after he was infected by the villain Repulse.
Batman must rescue Zatanna from Brother Night and stop the enchanted Batmobile.
Zatanna and the Justice League must retrieve her stolen hat from Felix Faust, who wants to release the demon Ghast using the hat.
Wonder Woman seeks help from Superman and Batman to stop Circe and Lex Luthor from obtaining the Oculus of Argos.
Red Lanterns and the Justice League team up to vanquish Lobo after he steals three newly-forged rings and unleashes the Spider Gauntlet's powers.
Complications start to happen when Firestorm develops feelings for Killer Frost while he and Batman are fighting Mr. Freeze.
The Justice Leaguers race time to escape the House of Mystery before midnight after they are turned into 10-year-olds by Klarion the Witch Boy.
To prove himself as a worthy superhero, Plastic Man sneaks into Brainiac's spaceship to demolish the shrink ray.
Atom must try to stop Brainiac after the latter retrieves the Bottled City of Kandor, which the microscopic-sized Superman is in.
Blue Beetle, Firestorm, and Stargirl have to fight accidentally freed Kryptonian villains.
As Batman and Firestorm want to lure Deadshot into a trap, Firestorm disguises himself as Two-Face, but things don't go as planned.
When Superman is infected with a nanobot swarm, Atom shrinks Batman and Wonder Woman so they can enter Superman's bloodstream and save him.
The Team finds themselves risking the loss of Wonder Woman when she receives a proposal she can't refuse from the goddess Athena.
Swamp Thing falls under Poison Ivy's control after having a blind date with her.
Batman and Cyborg seek help from Space Cabbie and Jonah Hex to stop an intergalactic space train from being hijacked.
When a creature called the Chronovore begins eating up time, Batman collaborates with Booster Gold to try stopping him.
Space Cabbie gets Hawkman and Swamp Thing to help him when he learns of a serious threat to the Justice League from one of his passengers.
The Justice League must find a way to trick Mr. Mxyzptlk after he caused them to switch bodies and to defeat Grodd's gorilla army.
As Stargirl babysits Professor Anderson's son, Timmy, she discovers he is not who she thought and asks Constantine for help.
Green Arrow arrives on an island near the Bermuda Triangle and discovers that Booster Gold has brought dinosaurs back from the past.
The clumsy Bizarro becomes JLA's last hope to turn things around when Amazo attacks them and replicates their powers.
The Justice League tries to get hold of the Joker and Luthor by running all around the world after them.
After Firestrom is separated back into Ronnie Raymond and Martin Stein, Dr. Stein and Mr. Terrific have to work together to free Ronnie Raymond and beat the Calculator.
The reporter Sid Sharp's jealousy of Clark Kent leads him to be his own superhero, brining about danger.
After each JLA team member gets separated by Luthor into two parts: the blue one being good, and the red one being aggressive, it's up to the blue ones to stop him and their red twins from doing the same thing to everyone on Earth.
The Justice League members' only hope for help is Booster Gold after they get affected by Phantom Zone ray and end up being phantom-like.
A microscopic Atom tries to find out what caused Sinestro's ring to become much more powerful than before while he was fighting with Green Lantern.
It's up to Firestorm to jog the League members' memories, after they forget they are superheroes, in order for them to save Metropolis from Felix Faust.
Batman, Mr. Terrific, Lex Luthor, Calculator, and Brain are put in a test to see who is the smartest among them after being kidnapped by a mysterious creature.
Wonder Woman and Green Arrow decide to get help from Riddler to track the Joker down after he trapped Batman.
As Harley Quinn is the only one who can free Titano, the giant ape, from Gorilla Grodd's control, Stargirl and Superman help her and defeat Gorilla Grodd.
Big Barda's life is threatened when Darkseid forces Batman to find Mr. Miracle and retrieve the Anti-Life Equation that he stole.
During a fight against villains that don't usually team up, the JLA discovers that they have been turned into robots, and they start to investigate to learn who is behind this and why they did it.
While racing for charity, Superman and Flash fall in a trap prepared by Lex Luthor.
Green Arrow finds his plans for throwing a successful Christmas party for the JLA are ruined as Plastic Man arrives with an unexpected guest.
Booster Gold unintentionally lets disguised supervillains into the Watchtower while he was giving tours for extra money.
Green Lantern and Space Cabbie go on a chase for the aliens who might have taken his ring, which he forgot in an intergalactic restroom.
Mr. Mxyzptlk decides to give Shazam's uncle superpowers greater than the Justice League members.
Mr. Mxyzptlk shows both Supergirl and Superman the dark sides they might have.
Plastic Man is left to look after the Watchtower and Superman's dog Krypto while the Leaguers are on a mission.
While Booster Gold and the Justice League are under attack from a new villainess known as Red Velvet, Booster realizes that she is someone significant from his future.