Lex Luthor confronts Superboy, revealing that Superboy's human DNA comes from Luthor himself. Luthor gives him "Shields," patches that temporarily suppress his human DNA to unlock full Kryptonian powers like flight and heat vision. Episode 23: "Insecurity" Original Air Date: March 31, 2012
Robin, Aqualad, Kid Flash, and Speedy are invited into the Hall of Justice, but they are denied access to the Justice League's inner sanctum. Frustrated by being treated like children, Speedy quits. The remaining three investigate a fire at Project Cadmus, where they uncover a secret cloning facility and liberate Superboy, a clone of Superman. young justice season 1 episodes
Artemis is introduced to the team as Green Arrow’s new sidekick, filling the void left by Speedy (now going by Red Arrow). The team is tasked with protecting Dr. Serling Roquette from the League of Shadows. Frustrated by being treated like children, Speedy quits