The BEST Episodes of Justice League Action
Every episode ever - ranked by fan votes!
Last Updated: Mar 1, 2021
Network: Cartoon Network
The Justice League is back, “with lightning-paced action and heroics.” This show will be including everyone: Superman. Batman, Wonder Woman, Hawkman, Green Arrow, Zatanna, Shazam, the Flash, Blue Beetle, Plastic man, Martian Manhunter, Lobo, Zatanna, the Demon, Dr. Fate and fan favorites like Harley Quinn and many more. Justice League Action, will also reunite the Batman Animated Series voice talents of Kevin Conroy as the Batman and Mark Hamill as the Joker.
#1 - System Error
Season 1 - Episode 44 - Aired Nov 11, 2017
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?
7.91 
#2 - Time Share
Season 1 - Episode 9 - Aired Feb 18, 2017
Batman and Blue Beetle are thrown back in time where they must stop Chronos from destroying Batman on his first night in Gotham.
7.90 
#3 - Best Day Ever
Season 1 - Episode 33 - Aired Aug 26, 2017
Joker springs Lex Luthor from prison with the help of a Mother Box. Its up to the the Justice League to catch them again.
7.80 
#4 - Mxy's Mix-Up
Season 1 - Episode 29 - Aired Jul 22, 2017
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.
7.75 
#5 - Booray for Bizarro
Season 1 - Episode 32 - Aired Aug 19, 2017
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.
7.73 
#6 - Zombie King
Season 1 - Episode 7 - Aired Feb 4, 2017
Batman teams up with John Constantine, Zatanna, and Swamp Thing when Solomon Grundy tries to raise a zombie army.
7.72 
#7 - Play Date
Season 1 - Episode 11 - Aired Mar 4, 2017
The Toyman turns the league into players of a computer game and its up to Cyborg to beat Toyman at his own game.
7.71 
#8 - Party Animal
Season 1 - Episode 46 - Aired Dec 2, 2017
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.
7.68 
#9 - She Wore Red Velvet
Season 1 - Episode 52 - Aired Feb 10, 2018
When Booster and the Justice League come under attack by a mysterious and unrelenting new villainess known as Red Velvet, Booster comes to realize she's actually the fiance he left at the altar in the future.
7.66 
#10 - Galaxy Jest
Season 1 - Episode 8 - Aired Feb 11, 2017
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.
7.65 
#11 - Hat Trick
Season 1 - Episode 15 - Aired Apr 8, 2017
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.
7.61 
#12 - Nuclear Family Values
Season 1 - Episode 6 - Aired Jan 28, 2017
With most of the League unavailable, Firestorm is the only one to stop a family of androids from blowing up a nuclear power plant.
7.60 
#13 - Night of the Bat (3)
Season 1 - Episode 3 - Aired Dec 16, 2016
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.
7.58 
#14 - E. Nigma, Consulting Detective
Season 1 - Episode 40 - Aired Oct 14, 2017
When the Joker traps Batman, the Justice League allows Riddler to help them find him.
7.58 
#15 - Freezer Burn
Season 1 - Episode 20 - Aired May 27, 2017
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.
7.57 
#16 - The Ringer
Season 1 - Episode 37 - Aired Sep 23, 2017
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.
7.57 
#17 - All Aboard the Space Train
Season 1 - Episode 26 - Aired Jul 1, 2017
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.
7.55 
#18 - The Brain Buster
Season 1 - Episode 39 - Aired Oct 7, 2017
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.
7.54 
#19 - Plastic Man Saves the World
Season 1 - Episode 17 - Aired May 6, 2017
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.
7.54 
#20 - Rage of the Red Lanterns
Season 1 - Episode 19 - Aired May 20, 2017
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.
7.54 
#21 - The Trouble with Truth
Season 1 - Episode 22 - Aired Jun 3, 2017
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.
7.53 
#22 - Superman Red vs. Superman Blue
Season 1 - Episode 36 - Aired Sep 16, 2017
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.
7.53 
#23 - Field Trip
Season 1 - Episode 18 - Aired May 13, 2017
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.
7.52 
#24 - Luthor in Paradise
Season 1 - Episode 16 - Aired Apr 29, 2017
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.
7.52 
#25 - Barehanded
Season 1 - Episode 48 - Aired Jan 13, 2018
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.
7.52