Season 1 - Episode Guide

When Atom is offered membership into the Justice League by Batman and Wonder Woman, he nearly passes on the idea until the Watchtower comes under attack by a red Parademon.

Upon luring Superman and Flash to a desert planetoid, Lobo uses every trick in the book to catch Flash after trapping Superman in a Kryptonite cage. He tries using Booster Gold's hair grease to create friction to force Flash to swerve into some cacti, cloaks a rock, which Flash defeats using his intangibility, and tricks Flash with a burger, but Flash is just too fast, and Flash drops the burger rock on top of Lobo, defeating him.

Firestorm is having a hard time trying to decide on what to say to impress Stargirl at the time they are on a stakeout near one of H.I.V.E.'s bases.

After Superman and Batman catch Deadshot, they use interrogation techniques to get Deadshot to tell them who called the hit on Batman as Wonder Woman and Firestorm watch.

Luring Superman to a warehouse by claiming that he kidnapped a young girl named Brie Gruyère, Lex Luthor is confident that he knows more about Superman. Superman knew it was a trap, as both those names are types of cheese.

Deadshot targets Wonder Woman and she tries to get answers out of Deadshot on who hired him to take out Wonder Woman. When she tries to use her Lasso of Truth, she finds that Plastic Man is posing as it and that Booster Gold had borrowed it to help in his deal involving his Booster Car.

While fighting Poison Ivy, Star Sapphire, Cheetah, and Ember, Superman, Wonder Woman, Batman, and Flash find that fighting villains together is all the time they share together. After the villains are defeated, the Justice League works to find another activity to do together when not fighting villains.

Space Cabbie is willing to pay off his fare for some Super Hero selfies, but Batman hates having his picture taken after Space Cabbie had finished picking him up from New Genesis. During this time, Booster Gold photobombs Space Cabbie's selfies in order to promote his Golden Fizz drink leading up to Space Cabbie ending up in a holographic training simulator where Wonder Woman fights some Parademons.

Space Cabbie takes on Booster Gold and a female alien as his latest passengers. As Booster Gold is on the run from Granny Goodness and the two Parademons with her upon uploading a lot of selfies following the Justice League's fight on Apokolips, the female alien needs to get to Cosmos General Hospital when she goes into labour.

In the jungle, Batman, Wonder Woman, Cyborg, and Plastic Man are looking for H.I.V.E.'s headquarters as they are attacked by missiles coming from an unseen location. When Plastic Man unknowingly deploys himself in the aircraft's submarine, he unexpectedly finds H.I.V.E's headquarters.

A toy-related heist is being caused by Toyman who is using special mind-control football helmets that he uses to control Cyborg and Plastic Man into serving him. Now Batman must work to free his captive teammates and apprehend Toyman.

Toyman takes control of Cyborg's latest action figures called Bot-Bots causing Cyborg, Batman, and Stargirl to fight them. Though Cyborg's knowledge of each of the Bot-Bots would end up playing a key in Toyman's weakness.

During Superman's fight with Metallo, Martin Stein advises Firestorm to use his powers to turn Metallo's Kryptonite power source into lead only to accidentally turn it into Red Kryptonite which induces Superman's anger, Gold Kryptonite that gives Superman amnesia, Black Kryptonite which splits Superman's personalities, and Pink Kryptonite that turns Superman into a woman as a result of not remembering how to turn Kryptonite into lead. Luckily, Ronnie wrote it all down.

Celebrity actor Mark Hamill is kidnapped by the villainous duo of Joker and Trickster when needing a ride to Gotham Conservatory. The two of them then proceed to take him on a rampant car chase through the city in order to afford a ransom for his safe return. As the police pursue Joker's car, Mark Hamill manages to trick them by impersonating their voices to start a fight between the two villains before being saved by Swamp Thing. As the police catch up, Swamp Thing comments to Joker and Trickster that Mark Hamill is a talented voice actor. The short ends with Joker quoting "What's a voice actor?"

As Lois Lane is close to figuring out that Superman is Clark Kent, Plastic Man poses as Clark Kent. While the ruse works, the three of them are attacked by Lex Luthor in a high tech suit who wants a retraction on the article that was written about him. As Superman was hit by the red sun beam from the high tech suit, Plastic Man poses as Superman to fight Lex Luthor.

Poison Ivy uses her mind-controlling spores to seduce Batman into helping her escape from the Justice League Watchtower's lockup. Plastic Man works to find a way to get Batman back to normal and recapture Poison Ivy.

As Green Arrow helps Batman on his stakeout on Penguin and his henchmen, Plastic Man tries to prove to Green Arrow that he can be stealthy with comical results.

Space Cabbie helps Stargirl as she practices for her upcoming space driving test as they do their test in an asteroid belt. One of the unexpected obstacles for Stargirl's space driving test is Zilius Zox as he attempts to rob a Space ATM.

Poison Ivy and Harley Quinn steal the Justice League's jet from the Watchtower, with Batman in hot pursuit.

On Themyscira, Supergirl and Wonder Woman practice their sparring on each other. Despite measures taken by Queen Hippolyta to prevent men from setting foot on Themyscira, Felix Faust manages to attack the island by possessing Supergirl.

Plastic Man isn't great in the cold when it comes to Mr. Freeze's crime spree, but Batman will always find a way to make the best of a frozen situation.

When Joker crashes a children's birthday party after evading Batman, he's up to his usual mayhem. With Shazam's help, he may turn out to be the best clown ever!