Season 1 (2010)
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Episodes 26
Independence Day (1)
Robin, Aqualad, and Kid Flash break into Cadmus and find that it is being run by Genomorphs.
Read MoreFireworks (2)
The sidekicks find a clone of Superman known as Superboy. They free him from Cadmus' control, while battling Blockbuster.
Read MoreWelcome to Happy Harbor
After 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…
Read MoreInfiltrator
Green Arrow's niece, Artemis, joins Young Justice and must save a bright young scientist from the League of Shadows.
Read MoreTargets
Red 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.
Read MoreAlpha Male
Already 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?
Read MoreRevelation
When 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!
Read MoreDisordered
Superboy's "Sphere" goes through a surprising change, revealing a connection to the forever people of New Genesis.
Read MoreColdhearted
Wally 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.
Read MoreInsecurity
Red Arrow's return undercuts Artemis' confidence, while the team's mission to track down Sportsmaster threatens to expose her darkest secrets.
Read MorePerformance
The 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…
Read MoreUsual Suspects
The Team gets a new member and a new mission – a mission that may finally expose all the Team’s secrets... and all their lies!
Read MoreAuld Acquaintance
The 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!
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