Young Justice - Season 1

First aired: 11/26/2010 26 episodes

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.

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Episodes

1. Independence Day (1)

Aired: 11/26/2010

Robin, Aqualad, and Kid Flash break into Cadmus and find that it is being run by Genomorphs.

2. Fireworks (2)

Aired: 11/26/2010

The sidekicks find a clone of Superman known as Superboy. They free him from Cadmus' control, while battling Blockbuster.

3. Welcome to Happy Harbor

Aired: 1/21/2011

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…

4. Drop-Zone

Aired: 1/28/2011

Young Justice goes on its first official mission under Batman, while trying to determine which of them will lead the team.

5. Schooled

Aired: 2/4/2011

Superboy'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.

6. Infiltrator

Aired: 2/11/2011

Green Arrow's niece, Artemis, joins Young Justice and must save a bright young scientist from the League of Shadows.

7. Denial

Aired: 2/18/2011

When 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.

8. Downtime

Aired: 3/4/2011

After 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.

9. Bereft

Aired: 3/11/2011

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.

10. Targets

Aired: 9/16/2011

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.

11. Terrors

Aired: 9/23/2011

Superboy and Miss Martian go undercover inside Belle Reve Penitentiary.

12. Homefront

Aired: 9/30/2011

When 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?

13. Alpha Male

Aired: 10/7/2011

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?

14. Revelation

Aired: 10/14/2011

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!

15. Humanity

Aired: 10/21/2011

The 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!

16. Failsafe

Aired: 11/4/2011

When the Justice League is defeated during an alien invasion, the Team has to step up and fill their mentors shoes.

17. Disordered

Aired: 11/11/2011

Superboy's "Sphere" goes through a surprising change, revealing a connection to the forever people of New Genesis.

18. Secrets

Aired: 11/18/2011

It's Halloween. Artemis and Zatanna are in Manhattan for a girls' night out. There, they encounter the deadly Harm, who has a secret.

19. Misplaced

Aired: 3/3/2012

When 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.

20. Coldhearted

Aired: 3/10/2012

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.

21. Image

Aired: 3/17/2012

A 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?

22. Agendas

Aired: 3/24/2012

Superboy returns to Project Cadmus, where he learns the top-secret genetics lab may have created another Super-clone.

23. Insecurity

Aired: 3/31/2012

Red Arrow's return undercuts Artemis' confidence, while the team's mission to track down Sportsmaster threatens to expose her darkest secrets.

24. Performance

Aired: 4/7/2012

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…

25. Usual Suspects

Aired: 4/14/2012

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!

26. Auld Acquaintance

Aired: 4/21/2012

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!