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

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

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

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

While Superboy and Blue Beetle battle Intergang, Nightwing and company try to salvage the soul of a former comrade fallen from grace.

After the Justice League faces a horrifying incident on the planet Rann, Dick Grayson gathers an elite squad of heroes to shut down a meta-human trafficking syndicate in Markovia.