Season 1 poster

Season 1

(2010)

Overview

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.

Cast

Jesse McCartney as Dick Grayson / Robin / Nightwing (voice)
Jesse McCartney

as Dick Grayson / Robin / Nightwing (voice)

Nolan North as Conner Kent / Superboy (voice)
Nolan North

as Conner Kent / Superboy (voice)

Danica McKellar as M'gaan M'orzz / Megan Morse / Miss Martian (voice)
Danica McKellar

as M'gaan M'orzz / Megan Morse / Miss Martian (voice)

Stephanie Lemelin as Artemis Crock / Artemis / Tigress (voice)
Stephanie Lemelin

as Artemis Crock / Artemis / Tigress (voice)

Khary Payton as Kaldur'ahm / Aqualad (voice)
Khary Payton

as Kaldur'ahm / Aqualad (voice)

Jason Spisak as Wally West / Kid Flash (voice)
Jason Spisak

as Wally West / Kid Flash (voice)

Episodes

Independence Day (1) poster

Independence Day (1) 7.8

November 26, 2010

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

Fireworks (2) poster

Fireworks (2) 8.7

November 26, 2010

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

Welcome to Happy Harbor poster

Welcome to Happy Harbor 8.7

January 21, 2011

After Speedy declines to join the new team, Robin, Aqualad and Kid Flash fear Young Justice is just a big joke…while ne…

Drop-Zone poster

Drop-Zone 8.4

January 28, 2011

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

Schooled poster

Schooled 8.7

February 4, 2011

Superboy's anger over his non-relationship with Superman is getting out of control. He refuses to train with Black Cana…

Infiltrator poster

Infiltrator 8.4

February 11, 2011

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

Denial poster

Denial 8.4

February 18, 2011

When the team investigates the disappearance of Kent Nelson (formerly Doctor Fate), the scientific-minded Wally West is…

Downtime poster

Downtime 8.2

March 4, 2011

After a disastrous mission with the team, Aqualad returns to Atlantis to choose between a life on the surface world or …

Bereft poster

Bereft 7.8

March 11, 2011

Young Justice discovers that they have forgotten the last six months of their lives, including each other and a final f…

Targets poster

Targets 8.3

September 16, 2011

Red Arrow is on his own against the world's most dangerous assassins in preventing the League of Shadows from starting …

Terrors poster

Terrors 8.3

September 23, 2011

Superboy and Miss Martian go undercover inside Belle Reve Penitentiary.

Homefront poster

Homefront 8.3

September 30, 2011

When Mount Justice itself is attacked, can Artemis and Robin (the two teens without super-powers) save the Team (or eve…

Alpha Male poster

Alpha Male 8.5

October 7, 2011

Already exhausted and rattled after a home turf invasion of The Cave, the team learns that Aqualad - their friend and l…

Revelation poster

Revelation 8.5

October 14, 2011

When Plant Creatures attack major cities around the world, the team is eager to join the fight alongside the Justice Le…

Humanity poster

Humanity 9.0

October 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 …

Failsafe poster

Failsafe 9.0

November 4, 2011

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

Disordered poster

Disordered 8.2

November 11, 2011

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

Secrets poster

Secrets 8.7

November 18, 2011

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

Misplaced poster

Misplaced 10.0

March 3, 2012

When every adult on the planet disappears, only the team, Zatanna, and Billy Batson are left to defeat the five most po…

Coldhearted poster

Coldhearted 8.7

March 10, 2012

Wally West comes oh-so-close to fulfilling his birthday wish to finally fight alongside the Justice League. Instead, a …

Image poster

Image 8.0

March 17, 2012

A covert operation against Queen Bee in Qurac forces Miss Martian to finally face her greatest fears and her biggest se…

Agendas poster

Agendas 9.0

March 24, 2012

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

Insecurity poster

Insecurity 10.0

March 31, 2012

Red Arrow's return undercuts Artemis' confidence, while the team's mission to track down Sportsmaster threatens to expo…

Performance poster

Performance 9.5

April 7, 2012

The Team goes undercover at the Haly International Traveling Circus to locate a thief stealing weapons technology acros…

Usual Suspects poster

Usual Suspects 9.0

April 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 thei…

Auld Acquaintance poster

Auld Acquaintance 9.0

April 21, 2012

The Team finally learns the identity of the traitor in their midst, forcing a battle against an enemy more dangerous th…