Young Justice takes on The Reach in final battle and discovers that victory may cost them everything.
The villains allied with The Light hold a meeting to determine the fate of Earth.
The team attempts to free Blue Beetle from The Reach's control and avert Impulse's prophecy
Lex sends his new team of super-powered teenagers on a mission... to rescue Young Justice.
While Cheshire and Sportsmaster hunt down Aqualad to take revenge for Artemis' death, Black Manta gives his prisoner, Miss Martian, 24 hours to live.
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.moreless
An alien gladiator traps Young Justice in the Hall of Justice for a winner-take-all combat.
Blue Beetle and Miss Martian go on a mission to help their teammates and discover something unexpected.
Black Manta sends his son on a mission and Aqualad finds himself torn between his undercover mission and his friends.
Roy Harper goes after the man responsible for keeping him imprisoned for eight years and making a clone for him.
A former Young Justice member returns to the team to help defend a satellite launch against enemy attack.
The female members of Young Justice travel to Bialya on a reconnaissance mission, while Blue Beetle tries to help a friend.
The Kroloteans receive help from an unexpected source as Young Justice and the Justice League try to stop the invasion.
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.
The intergalactic bounty hunter Lobo arrives on Earth and fights Young Justice... but his arrival is only the prelude to a greater threat.
Young Justice takes on its most dangerous enemy after they discover who within the team is the traitor.
A new member joins Young Justice just as they must face internal struggles as the moles make their identities clear.
Young Justice tries to find a thief using the Haly International Traveling Circus as cover for his activities, but find much more.
Meap returns to save Phineas and Ferb from his nemesis Mitch, whose real mission is to take control of all of alien-kind, putting Meap's world in danger. The boys' 'cute-tracker' leads the gang to Seattle and an adventure to save the universe. Meanwhile, Dr. Doofenshmirtz decides to revisit his former nemesis, Peter the Panda, but when Agent P shows up, Dr. Doofenshmirtz finds that he has some explaining to do.moreless
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.
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.
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?
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.moreless
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.
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.moreless
The Forever People come seeking a missing possession: Sphere, which has undergone a bizarre transformation.
When the Justice League is defeated by alien invaders, Young Justice must step up to fight in their stead.
Young Justice takes along their new friend Zatanna on their quest to find Red Tornado and learn if he's the mole.
While the Justice League combats a worldwide outbreak of plant creatures, Batman sends Young Justice to deal with the villains responsible: the Injustice League.