The WORST episodes of Justice League Action

Every episode of Justice League Action ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Justice League Action!

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.

Last Updated: 3/26/2024Network: Cartoon NetworkStatus: Ended

7.16

114 votes

#1 - Battle for the Bottled City

Season 1 - Episode 24 - Aired 6/17/2017

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.

Watch Now:Amazon

7.20

71 votes

#2 - Phased and Confused

Season 1 - Episode 42 - Aired 10/28/2017

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.

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7.23

75 votes

#3 - Unleashed

Season 1 - Episode 51 - Aired 2/3/2018

While the Justice League is away on a mission, Plastic Man is not only left in charge of the Watchtower, but also of Krypto Superman's not so ordinary dog.

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7.23

78 votes

#4 - It'll Take a Miracle!

Season 1 - Episode 43 - Aired 11/4/2017

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.

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7.23

116 votes

#5 - Garden of Evil

Season 1 - Episode 25 - Aired 6/24/2017

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.

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7.25

89 votes

#6 - Forget Me Not

Season 1 - Episode 38 - Aired 9/30/2017

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.

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7.27

156 votes

#7 - Speed Demon

Season 1 - Episode 14 - Aired 3/25/2017

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.

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7.28

75 votes

#8 - Captain Bamboozle

Season 1 - Episode 49 - Aired 1/20/2018

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

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7.28

99 votes

#9 - The Cube Root

Season 1 - Episode 34 - Aired 9/2/2017

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.

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7.30

145 votes

#10 - Inside Job

Season 1 - Episode 21 - Aired 6/3/2017

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.

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7.33

69 votes

#11 - Watchtower Tours

Season 1 - Episode 47 - Aired 1/6/2018

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.

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7.33

72 votes

#12 - Keeping up with the Kryptonians

Season 1 - Episode 50 - Aired 1/27/2018

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.

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7.34

193 votes

#13 - Repulse!

Season 1 - Episode 12 - Aired 3/11/2017

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.

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7.34

338 votes

#14 - Power Outage (2)

Season 1 - Episode 2 - Aired 12/16/2016

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.

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7.34

131 votes

#15 - Under a Red Sun

Season 1 - Episode 10 - Aired 2/25/2017

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.

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7.35

106 votes

#16 - Booster's Gold

Season 1 - Episode 31 - Aired 8/12/2017

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.

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7.36

86 votes

#17 - Harley Goes Ape!

Season 1 - Episode 41 - Aired 10/21/2017

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

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7.36

94 votes

#18 - Superman's Pal, Sid Sharp

Season 1 - Episode 35 - Aired 9/9/2017

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.

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7.36

113 votes

#19 - The Fatal Fare

Season 1 - Episode 28 - Aired 7/15/2017

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

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7.38

517 votes

#20 - Classic Rock (1)

Season 1 - Episode 1 - Aired 12/16/2016

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.

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7.41

81 votes

#21 - Barehanded

Season 1 - Episode 48 - Aired 1/13/2018

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.

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7.41

114 votes

#22 - Supernatural Adventures in Babysitting

Season 1 - Episode 30 - Aired 7/29/2017

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

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7.42

91 votes

#23 - All Aboard the Space Train

Season 1 - Episode 26 - Aired 7/1/2017

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.

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7.42

283 votes

#24 - Abate and Switch (4)

Season 1 - Episode 4 - Aired 12/16/2016

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.

7.43

126 votes

#25 - The Trouble with Truth

Season 1 - Episode 22 - Aired 6/3/2017

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.

Watch Now:Amazon