Season 1
Episode: 1x01 | Airdate: Nov 26, 2010
Robin, Aqualad, Kid Flash, and Speedy are finally ready to join the Justice League as full members. However, they soon discover that are to be treated as "junior members." An enraged Speedy leaves, while the other three strike out on their own to investigate a mysterious fire at Cadmus Laboratories. The trio soon discovers that Cadmus conceals a major conspiracy, and one of its goals is to create a clone of Superman for their own ends.
Episode: 1x02 | Airdate: Nov 26, 2010
Kid Flash, Robin, and Aqualad are captured by the Cadmus genomorph forces, which prepare to clone them and dispose of the originals. Their only hope is the Superman clone, "Superboy", who must choose between freedom and subservience to those who created him.
Episode: 1x03 | Airdate: Jan 21, 2011
Speedy refuses to join the team, leading the members of Young Justice to wonder if their team is nothing more than a big joke to keep the young heroes "in their place". Meanwhile, Miss Martian feels that she doesn't belong on the team. The team battles a villain named Mister Twister, who they mistakenly believe is really Red Tornado testing them
Episode: 1x04 | Airdate: Jan 28, 2011
Batman sends Young Justice on its first official mission, to investigate a neo steroid called Venom. The heroes ultimately find themselves in the middle of a small war between Bane and the Cobra Cult. Meanwhile, the heroes realize they need a team leader - but who will it be?
Episode: 1x05 | Airdate: Feb 4, 2011
The lack of relationship and interaction with Superman angers Superboy, leading him to lose control of his anger and decline training with Black Canary. When Young Justice encounters an opponent that even their Justice League superiors have experienced difficulty in defeating, will Superboy decide to help the team?
Episode: 1x06 | Airdate: Feb 11, 2011
Green Arrow's niece, Artemis, joins Young Justice and must save a bright young scientist from the League of Shadows.
Episode: 1x07 | Airdate: Feb 18, 2011
Young Justice investigates the disappearance of Kent Nelson, the former Dr. Fate. Meanwhile, Kid Flash, who doesn't believe in magic, must defeat Abra Kadabra and Klarion the Witch Boy to obtain the Helmet of Fate.
Episode: 1x08 | Airdate: Mar 4, 2011
After a team mission goes badly, Aqualad returns to Atlantis to reconsider his role as team leader, or whether he should pursue personal interests. However, he soon discovers that there is no escaping his destiny.
Episode: 1x09 | Airdate: Mar 11, 2011
Young Justice discovers that they have forgotten the last six months of their lives, including each other and a final fateful mission in Bialya. The team turns to Miss Martian to recover their memories, before it is too late for Superboy.
Episode: 1x10 | Airdate: Sep 16, 2011
Red Arrow rejects Young Justice's help and attempts to prevent the League of Shadows from starting a war. Ultimately he finds himself working with an even deadlier ally to fight the League's assassins, Lex Luthor.
Episode: 1x11 | Airdate: Sep 23, 2011
Miss Martian and Superboy go undercover at a Federal penitentiary where the world's most dangerous super-villains are kept under lock and key.
Episode: 1x12 | Airdate: Sep 30, 2011
The non-powered Robin and Artemis are the only members of Young Justice who can stand against mysterious invaders who come after the team in their home base.
Episode: 1x13 | Airdate: Oct 7, 2011
Aqualad's teammates discover that he held vital information from them concerning the presence of a mole, sowing the seeds of mistrust. While attempting to deal with their internal issues, the team is sent to India to investigate reports of armed animals attacking human beings... and Batman puts Captain Marvel in charge of the group.
Episode: 1x14 | Airdate: Oct 14, 2011
While the Justice League combats a worldwide outbreak of plant creatures, Batman sends Young Justice to deal with the villains responsible: the Injustice League.
Episode: 1x15 | Airdate: Oct 21, 2011
Young Justice takes along their new friend Zatanna on their quest to find Red Tornado and learn if he's the mole.
Episode: 1x16 | Airdate: Nov 4, 2011
When the Justice League is defeated by alien invaders, and are presumed dead, Young Justice must step up to fight in their stead.
Episode: 1x17 | Airdate: Nov 11, 2011
The Forever People come seeking a missing possession, called Sphere, which has undergone a bizarre transformation while with the young justice team.
Episode: 1x18 | Airdate: Nov 18, 2011
Artemis and Zatanna decide to go partying on Halloween night, only to discover that a youthful assassin, Harm, has set his sights on them. Meanwhile, Miss Martian and Superboy take Kid Flash to their high school Halloween dance.
Episode: 1x19 | Airdate: Mar 3, 2012
Young Justice, Zatanna, and Captain Marvel's alter-ego Billy Batson are the only ones on Earth who can save the day when five villainous sorcerers make every adult on the planet disappear.
Episode: 1x20 | Airdate: Mar 10, 2012
On his birthday, Kid Flash is forced to go on what is supposed to be a simple delivery mission, rather than battle with the Justice League. However, he soon discovers the mission is anything but simple.
Episode: 1x21 | Airdate: Mar 17, 2012
When the team returns to the Middle East on a mission to Qurac, Miss Martian must face her secrets... but will doing so save the team or destroy them?
Episode: 1x22 | Airdate: Mar 24, 2012
Superboy discovers that he may not be alone when he learns that Cadmus created another clone of Superman. Meanwhile, the League votes on new members.
Episode: 1x23 | Airdate: Mar 31, 2012
Artemis discovers that she's out in the cold when Red Arrow returns to Young Justice to help them track down Sportsmaster... who is tied to her mysterious past.
Episode: 1x24 | Airdate: Apr 7, 2012
Young Justice tries to find a thief using the Haly International Traveling Circus as cover for his activities, by going undercover as trapeze performers, but find much more.
Episode: 1x25 | Airdate: Apr 14, 2012
A new member joins Young Justice just as they must face internal struggles as the moles make their identities clear.
Episode: 1x26 | Airdate: Apr 21, 2012
Young Justice takes on its most dangerous enemy after they discover who within the team is the traitor.
Season 2
Episode: 2x01 | Airdate: Apr 28, 2012
The intergalactic bounty hunter Lobo arrives on Earth and fights Young Justice... but his arrival is only the prelude to a greater threat.
Episode: 2x02 | Airdate: May 5, 2012
Miss Martian, Beast Boy, and Superboy team up with Adam Strange to travel to the planet Rann and stop the source of the alien invasion.
Episode: 2x03 | Airdate: May 12, 2012
The Kroloteans receive help from an unexpected source as Young Justice and the Justice League try to stop the invasion.
Episode: 2x04 | Airdate: May 19, 2012
Superboy and the Blue Beetle go on a mission against Intergang, while Nightwing tries to help a former teammate.
Episode: 2x05 | Airdate: May 26, 2012
The female members of Young Justice travel to Bialya on a reconnaissance mission, while Blue Beetle tries to help a friend.
Episode: 2x06 | Airdate: Jun 2, 2012
A traveler from the future visits Young Justice but may not be who he claims. Meanwhile, Red Arrow and Cheshire go on a quest to find Roy Harper.
Episode: 2x07 | Airdate: Jun 9, 2012
A former Young Justice member returns to the team to help defend a satellite launch against enemy attack.
Episode: 2x08 | Airdate: Sep 29, 2012
Roy Harper goes after the man responsible for keeping him imprisoned for eight years and making a clone for him.
Episode: 2x09 | Airdate: Oct 6, 2012
Black Manta sends his son on a mission and Aqualad finds himself torn between his undercover mission and his friends.
Episode: 2x10 | Airdate: Jan 5, 2013
Blue Beetle and Miss Martian go on a mission to help their teammates and discover something unexpected.
Episode: 2x11 | Airdate: Jan 12, 2013
An alien gladiator traps Young Justice in the Hall of Justice for a winner-take-all combat.
Episode: 2x12 | Airdate: Jan 19, 2013
Blue Beetle's enemy, The Reach, join forces with LexCorp and Robin takes a team undercover to investigate the new alliance.
Episode: 2x13 | Airdate: Jan 26, 2013
To save his son, Black Manta sends Artemis to abduct Miss Martian and repair the mental damage that she did to Aqualad. Meanwhile, Young Justice tests their new ally, Green Beetle, and Lagoon Boy and Superboy learn the truth about the undercover operation.
Episode: 2x14 | Airdate: Feb 2, 2013
When The Reach's teenage experimental subjects take off on their own, Nightwing sends Blue Beetle after them. Jaime catches up to them but soon has to deal with a marauding android, Red Volcano, and the teenagers help him out.
Episode: 2x15 | Airdate: Feb 9, 2013
An intergalactic conqueror comes to Earth with plans to take the planet for his own.
Episode: 2x16 | Airdate: Feb 16, 2013
While Cheshire and Sportsmaster hunt down Aqualad to take revenge for Artemis' death, Black Manta gives his prisoner, Miss Martian, 24 hours to live.
Episode: 2x17 | Airdate: Feb 23, 2013
Lex Luthor sends his new team of super-powered teenagers on a mission... to rescue Young Justice.
Episode: 2x18 | Airdate: Mar 2, 2013
The team attempts to free Blue Beetle from The Reach's control and avert Impulse's prophecy
Episode: 2x19 | Airdate: Mar 9, 2013
The villains allied with The Light hold a meeting to determine the fate of Earth.
Episode: 2x20 | Airdate: Mar 16, 2013
Young Justice takes on The Reach in final battle and discovers that victory may cost them everything.
Season 3
Episode: 3x01 | Airdate: Jan 4, 2019
Batman resigns from the Justice League after a series of metahuman trafficking incidents, and Dick Grayson brings together a group of his former teammates for a one-time mission into Markovia to strike at the meta-traffickers.
Episode: 3x02 | Airdate: Jan 4, 2019
Dick, Artemis, Jeff, and Conner infiltrate Markovia to bring down the Bedlam meta-trafficking operation. However, they soon discover that there's more going on then they expected, and Conner is taken prisoner.
Episode: 3x03 | Airdate: Jan 4, 2019
After the team frees Brion, he goes to confront Frederick. Meanwhile, Vertigo, Plasmus, and Ecks take on the team and Halo-Girl.
Episode: 3x04 | Airdate: Jan 11, 2019
After Dick's team brings the Markovians back to the States, they try to figure out what to do with them. Zatanna has a reunion with her father, and Dick teams up with the Harpers to do Will a favor in return for some help... and advice.
Episode: 3x05 | Airdate: Jan 11, 2019
Miss Martian leads a team to New Genesis, while Dick and the others test Brion and Halo's powers.
Episode: 3x06 | Airdate: Jan 11, 2019
Dick learns that Brion's missing sister Tara may be a member of the League of Shadows, and Brion and his team of "Outsiders" travel to Infinity Island to confront Ra's al Ghul and rescue Tara.
Episode: 3x07 | Airdate: Jan 18, 2019
While Vandal Savage battles an alien armada, his daughter Cassandra reminisces about his long history as the protector of Earth. Meanwhile, Dick, Conner, and Artemis train the new Outsiders.
Episode: 3x08 | Airdate: Jan 18, 2019
Teams of superheroes take on three groups of villains to take down a new group involved in meta-trafficiking.
Episode: 3x09 | Airdate: Jan 18, 2019
While an unseen villain prepares to strike at the spouses and children of the superheroes, a mysterious client hires Lobo to go after one of the Outsiders.
Episode: 3x10 | Airdate: Jan 25, 2019
While Batman, Katana, and Metamorpho infiltrate Santa Prisca, Nightwing continues training the Outsiders while Victor Stone plays a championship football game and Jade pays her a daughter a visit.
Episode: 3x11 | Airdate: Jan 25, 2019
Violet and Forager make a new friend on their first day at Happy Harbor High School, but Violet's powers draw her to STAR Labs, where Victor Stone is undergoing a startling transformation.
Episode: 3x12 | Airdate: Jan 25, 2019
Gar tests Perdita's Goode Goggles and enters a nightmare mental realm where he has to watch everyone he knows die again. In Happy Harbor, the team learns more about Victor while Megan wonders if she and Conner will ever have any time alone.
Episode: 3x13 | Airdate: Jan 25, 2019
Nightwing leads one of several raids on a meta-trafficiking depot, and the team finds Brion's sister Tara there. In Happy Harbor, Father Box takes control of Victor and Violet is unable to stop him because of her recent influx of emotions.
Episode: 3x14 | Airdate: Jul 2, 2019 (24 min)
A League team follows a trail of stolen rare metals to a mysterious asteroid base. On Earth, Lex Luthor and Gretchen take steps to promote Goode World Studios, and the League welcome the Outsiders onto their covert team.
Episode: 3x15 | Airdate: Jul 2, 2019 (22 min)
Tigress leads a team to Russia to find out about the Russian's Rocket Red Brigade, and runs afoul of the Suicide Squad.
Episode: 3x16 | Airdate: Jul 2, 2019 (23 min)
The heroes gather to celebrate Thanksgiving, and Vertigo plots to abduct his niece Perdita... but all is not as it seems.
Episode: 3x17 | Airdate: Jul 9, 2019
Beast Boy forms his own team of "Outsiders" to restore faith in metas, and on their first mission battle rogue Reach war bugs threatening a small town in Maine.
Episode: 3x18 | Airdate: Jul 16, 2019
The Outsiders travel to Cuba to stop Klarion the Witch Boy, who is representing the Light and tormenting captive meta teens. Meanwhile, Helga tells Violet some bad news.
Episode: 3x19 | Airdate: Jul 23, 2019 (24 min)
Lex Luthor tries to undermine the Outsiders, but his fellow Light members have something to say about his plans. The parents of El Dorado, Wonder Girl, and Kid Flash object to their children putting their lives at risk and ground them.
Episode: 3x20 | Airdate: Jul 30, 2019
Violet goes to see Gabrielle's mother; Connor, Forager, and Jefferson look for a cure for Victor's condition; Aquaman takes the meta teen A-Four-One to Posiedonis; and Megan talks with a rebellious Harper.
Episode: 3x21 | Airdate: Aug 6, 2019 (24 min)
While Karen gives birth and makes a decision about her child, Aquaman and Wyynde break into Gretchen's home after Dick and Jefferson disappear during a recon mission.
Episode: 3x22 | Airdate: Aug 13, 2019 (24 min)
Secrets come out as Jefferson pieces together the secret conspiracy that has manipulated the League and the Outsiders. Helga takes Violet and the Markovs to Ultra-Humanite so that he can fulfill his side of their bargain, but Gretchen has other plans.
Episode: 3x23 | Airdate: Aug 20, 2019 (23 min)
After the League fall victims to Anti-Life, the Outsiders launch an attack on the Orphanage to free their mentors--and Violet--from Granny's clutches.
Episode: 3x24 | Airdate: Aug 27, 2019
Beast Boy and his team follow a lead on Violet and the trail leads to a building owned by Gretchen. The team is soon trapped in Gretchen's X Pit, and only Vic can save them.
Episode: 3x25 | Airdate: Aug 27, 2019 (24 min)
Artemis asks Zatanna to send her to Limbo to hellp resolve her emotional issues. Forager and Conner visit the Genomorphs, and Gregor meets with Brion and Tara.
Episode: 3x26 | Airdate: Aug 27, 2019 (26 min)
The heroes invade Markovia to help Geo Force defeat Bedlam when he launches a coup. Jeff and Cyborg track the Light, and the League decides that it needs new leadership.
Season 4
Episode: 4x01 | Airdate: Oct 16, 2021
Miss Martian, Superboy, Beast Boy, and Martian Manhunter take a little vacation…to somewhat unfriendly climes.
Episode: 4x02 | Airdate: Oct 16, 2021
While attempting to solve a growing list of mysteries, Miss Martian, Superboy, and Beast Boy consult with royalty.
Episode: 4x03 | Airdate: Oct 21, 2021
Miss Martian and Superboy grapple with family traditions, while Beast Boy struggles with something much darker.
Episode: 4x04 | Airdate: Oct 28, 2021
Answers come to light as Beast Boy, Miss Martian, and Superboy uncover an awful truth.
Episode: 4x05 | Airdate: Nov 4, 2021
Just as multiple Shadows fall across her path, Artemis Crock's life is interrupted by devastating news.
Episode: 4x06 | Airdate: Nov 11, 2021
Tigress catches up with her sister Cheshire...as a Shadowed history catches up with them both.
Episode: 4x07 | Airdate: Nov 18, 2021
Oracle's memories challenge Tigress' decision to trust her new allies.
Episode: 4x08 | Airdate: Nov 25, 2021
For Tigress, saving everyone may not be an option - unless help is offered from an unexpected source.
Episode: 4x09 | Airdate: Dec 2, 2021
Zatanna and her protégés find themselves on the brink of war.
Episode: 4x10 | Airdate: Dec 9, 2021
Zatanna and her protégés encounter new allies…and an ancient foe.
Episode: 4x11 | Airdate: Dec 16, 2021
Thirteen and her friends face their greatest challenge yet.
Episode: 4x12 | Airdate: Dec 23, 2021
Zatanna must rally the Sentinels of Magic before Chaos consumes the Earth.
Episode: 4x13 | Airdate: Dec 30, 2021
Zatanna and the Sentinels of Magic gain unlikely allies - but will it be enough?
Episode: 4x14 | Airdate: Mar 31, 2022
Kaldur'ahm chews algae, while Violet Harper cuts vegetables.
Episode: 4x15 | Airdate: Mar 31, 2022
While Clark Kent gets all the news that's fit to print, Kaldur'ahm hears old family stories from his parents.
Episode: 4x16 | Airdate: Mar 31, 2022
Kaldur'ahm, Wyynde, and La'gann go for a swim. King Orin goes fishing.
Episode: 4x17 | Airdate: Apr 7, 2022
Kaldur'ahm searches. Atlantis finds.
Episode: 4x18 | Airdate: Apr 14, 2022
Rocket gets a reality check, and reality's ready to collect.
Episode: 4x19 | Airdate: Apr 21, 2022
Rocket misses one conference… while another goes poorly.
Episode: 4x20 | Airdate: Apr 28, 2022
Rocket learns that nothing stays buried forever.
Episode: 4x21 | Airdate: May 5, 2022
For Rocket, one portal opens and another closes forever.
Episode: 4x22 | Airdate: May 12, 2022
Bart Allen goes shopping. Zatanna Zatara talks baseball. Plus, the return of Daring Dan Danger!
Episode: 4x23 | Airdate: May 19, 2022
After refurbishing an old bus, Nightwing and the gang hit the road.
Episode: 4x24 | Airdate: May 26, 2022
Team Trauma on Trombus! The team makes their move to save Conner, but things don't go as expected, as Zod gets the upper hand. Meanwhile, M'gann and Superman are shocked at the revelation, and race for their own rescue attempt.
Episode: 4x25 | Airdate: Jun 2, 2022
You can go home again... but beware of hitchhikers.
Zod finds a way to leave the Zone, and Ursa gains a new source of power. Young Justice attempts to keep the Kryptonian prisoners from escaping, and do so at the cost of two of their own, while Conner has to make a decision about where his loyalties lie.
Episode: 4x26 | Airdate: Jun 9, 2022
The very next final battle for the planet Earth...
The heroes battle Zod and his four compatriots in the heart of Metropolis, Conner's loyalties are tested by Zod, and the final fate of Lor-Zod is determined. Afterward, two heroes are united in wedlock while Darkseid gains two new allies and Vandal Savage gathers his new army