Season 1
26 episodes · Nov 26, 2010
Robin, Aqualad, Kid Flash, Superboy, Miss Martian, and Artemis form Young Justice -- and find out whether they have what it takes to be a proven hero.
Season Videos
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S1E1Independence Day (1)
Nov 26, 201022mRobin, Aqualad, and Kid Flash break into Cadmus and find that it is being run by Genomorphs.
S1E2Fireworks (2)
Nov 26, 201022mThe sidekicks find a clone of Superman known as Superboy. They free him from Cadmus' control, while battling Blockbuster.
S1E3Welcome to Happy Harbor
Jan 21, 201122mAfter Speedy declines to join the new team, Robin, Aqualad and Kid Flash fear Young Justice is just a big joke…while new member Miss Martian fears there's no room for her to be part of it. So when the four heroes and Superboy come up against Mister Twister, it looks like all their fears have just been realized…
S1E4Drop-Zone
Jan 28, 201123mYoung Justice goes on its first official mission under Batman, while trying to determine which of them will lead the team.
S1E5Schooled
Feb 4, 201122mSuperboy's anger over his non-relationship with Superman is getting out of control. He refuses to train with Black Canary, and when the team faces an opponent that even the Justice League had trouble defeating, the Boy of Steel goes rogue.
S1E6Infiltrator
Feb 11, 201122mGreen Arrow's niece, Artemis, joins Young Justice and must save a bright young scientist from the League of Shadows.
S1E7Denial
Feb 18, 201122mWhen the team investigates the disappearance of Kent Nelson (formerly Doctor Fate), the scientific-minded Wally West is forced to confront his disbelief in magic while battling Abra Kadabra and Klarion the Witch Boy, for the ultra-powerful Helmet of Fate.
S1E8Downtime
Mar 4, 201122mAfter a disastrous mission with the team, Aqualad returns to Atlantis to choose between a life on the surface world or one beneath the waves with the Aquagirl of his dreams. But other forces at play may make Aqualad's decision for him.
S1E9Bereft
Mar 11, 201122mYoung 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.
S1E10Targets
Sep 16, 201122mRed Arrow is on his own against the world's most dangerous assassins in preventing the League of Shadows from starting a war, until he is forced to make an unlikely alliance with someone even more dangerous. Aqualad fails to convince Red Arrow to ask the team for help.
S1E11Terrors
Sep 23, 201123mSuperboy and Miss Martian go undercover inside Belle Reve Penitentiary.
S1E12Homefront
Sep 30, 201122mWhen Mount Justice itself is attacked, can Artemis and Robin (the two teens without super-powers) save the Team (or even themselves) from the unknown invaders?
S1E13Alpha Male
Oct 7, 201122mAlready exhausted and rattled after a home turf invasion of The Cave, the team learns that Aqualad - their friend and leader - withheld vital information that put them all at risk. When Batman sends the Team and new "den-mother" Captain Marvel to India to investigate bizarre reports of armed animals attacking human beings, can Aqualad pull his fractured team together?
S1E14Revelation
Oct 14, 201122mWhen Plant Creatures attack major cities around the world, the team is eager to join the fight alongside the Justice League. Instead, Batman assigns them a still more dangerous task - taking out the plants' masters: a secret society of super- villains: the Injustice League!
S1E15Humanity
Oct 21, 201123mThe team is on the hunt for Red Tornado, determined to find out once and for all whether the robot was the mole - even if it means kidnapping new friend Zatanna and dragging her along on their quest!
S1E16Failsafe
Nov 4, 201122mWhen the Justice League is defeated during an alien invasion, the Team has to step up and fill their mentors shoes.
S1E17Disordered
Nov 11, 201123mSuperboy's "Sphere" goes through a surprising change, revealing a connection to the forever people of New Genesis.
S1E18Secrets
Nov 18, 201122mIt's Halloween. Artemis and Zatanna are in Manhattan for a girls' night out. There, they encounter the deadly Harm, who has a secret.
S1E19Misplaced
Mar 3, 201223mWhen every adult on the planet disappears, only the team, Zatanna, and Billy Batson are left to defeat the five most powerful sorcerers on Earth. In the end, Zatanna officialy joins the team and Zatara becomes the new Doctor Fate.
S1E20Coldhearted
Mar 10, 201221mWally West comes oh-so-close to fulfilling his birthday wish to finally fight alongside the Justice League. Instead, a massively disappointed Kid Flash is taken off the mission and tasked with a simple delivery job. But a few deadly surprises await the birthday boy along the way.
S1E21Image
Mar 17, 201222mA covert operation against Queen Bee in Qurac forces Miss Martian to finally face her greatest fears and her biggest secrets. But will she reveal those secrets to her friends—or allow what she's hiding to take down the entire team?
S1E22Agendas
Mar 24, 201222mSuperboy returns to Project Cadmus, where he learns the top-secret genetics lab may have created another Super-clone.
S1E23Insecurity
Mar 31, 201222mRed Arrow's return undercuts Artemis' confidence, while the team's mission to track down Sportsmaster threatens to expose her darkest secrets.
S1E24Performance
Apr 7, 201222mThe Team goes undercover at the Haly International Traveling Circus to locate a thief stealing weapons technology across Europe. But a thief isn’t all they find…
S1E25Usual Suspects
Apr 14, 201222mThe Team gets a new member and a new mission – a mission that may finally expose all the Team’s secrets... and all their lies!
S1E26Auld Acquaintance
Apr 21, 201222mThe Team finally learns the identity of the traitor in their midst, forcing a battle against an enemy more dangerous than any they’ve ever faced before!