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

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

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

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.

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.

Superboy and Miss Martian go undercover inside Belle Reve Penitentiary.

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?

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

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

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

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

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!

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!

The Team takes on the intergalactic bounty hunter Lobo…as a precursor to an alien invasion!

On the verge of finally ending the alien invasion, the team discovers the price of victory may be the entire planet Earth!

As Meta-Human trafficking spreads across the United States, three very different teams of heroes hope to put a stop to it.

The search for Tara Markov continues – but who’s doing the searching and where?!

The betrayals come fast and furious -- and with them is a reckoning.

Things come full circle as the team and the Outsiders return to Markovia for a final confrontation.